McqMate
| 101. |
Ammonium nitrate is hygroscopic as well as an explosive. Which of the following conveyor can be used for this material? |
| A. | Flight conveyor |
| B. | Continuous flow conveyor |
| C. | Screw conveyor |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 102. |
Chains for material handling equipment are generally made of |
| A. | carbon steel |
| C. | wrought iron |
| D. | mild steel |
| E. | cast iron |
| Answer» A. carbon steel | |
| 103. |
Which of the following types of rail is not used on broad gauge? |
| A. | 90 m |
| B. | 60 R |
| D. | 75 R |
| E. | 115 R |
| Answer» B. 60 R | |
| 104. |
Drag line excavators are used for digging |
| A. | drainage ditches |
| B. | canals |
| C. | gravel pits |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 105. |
In material handling plants, automatic scales are used for |
| A. | dressing the material |
| C. | weighing the material |
| D. | batching the material |
| E. | sizing the material |
| Answer» C. weighing the material | |
| 106. |
In case of bridge girders |
| A. | I-sections are used |
| B. | box-girders are used |
| C. | any of the above can be used |
| Answer» C. any of the above can be used | |
| 107. |
Which one of the following does not fall under the category of hoisting equipment? |
| A. | Drag line |
| C. | Pull lift |
| D. | Jack |
| E. | Chain hoist |
| Answer» A. Drag line | |
| 108. |
In case of lifting magnets, for releasing the material lifted |
| A. | direction of dc current is reversed |
| C. | ac current is passed through the coil |
| E. | hooks are used |
| Answer» A. direction of dc current is reversed | |
| 109. |
In case of diesel-electric locomotives |
| A. | power output of diesel engine is taken by dc generator |
| B. | electric motors serve as prime source of power |
| C. | electric motors as well diesel engine provide the propulsive power |
| D. | None of the above |
| Answer» A. power output of diesel engine is taken by dc generator | |
| 110. |
In screw conveyors, ribbon screws are used for |
| A. | molasses |
| B. | hot tar |
| C. | asphalt |
| D. | all of the above |
| Answer» D. all of the above | |
| 111. |
In case of belt conveyors, while conveying earth, as excavated, the maximum permissible slope is around |
| A. | 10? |
| B. | 30? |
| C. | 40? |
| D. | 20? |
| Answer» D. 20? | |
| 112. |
In case of a belt conveyor, the driving motor |
| A. | always runs at slow speed |
| B. | always starts on load |
| C. | always starts on no load |
| E. | always starts at high speed |
| Answer» B. always starts on load | |
| 113. |
Lift trucks may be |
| A. | manually operated |
| B. | battery operated |
| C. | diesel engine powered |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 114. |
Pillar cranes are generally used for |
| A. | light work |
| B. | infrequent service |
| C. | either of (A) or (B) above |
| Answer» C. either of (A) or (B) above | |
| 115. |
Hammer blow occurs in |
| A. | all engines |
| B. | steam engines |
| C. | electric engines |
| D. | diesel engines |
| Answer» B. steam engines | |
| 116. |
Which of the following has tendency to adhere to metal? |
| A. | Mica dust |
| B. | Talc |
| D. | Silica flow |
| E. | Gypsum |
| Answer» B. Talc | |
| 117. |
All of the following are granular materials EXCEPT |
| A. | Alum |
| B. | Hog fuel |
| C. | Bran |
| D. | Coffee beans |
| Answer» B. Hog fuel | |
| 118. |
Rubber belts in case of belt conveyors are reinforced with |
| A. | rayon |
| B. | nylon |
| C. | polyster |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 119. |
Which of the following crane is self-propelled? |
| A. | Locomotive crane |
| B. | Column jib crane |
| C. | Derricks |
| D. | all of the above |
| Answer» A. Locomotive crane | |
| 120. |
Ash is abrasive as well as dusty. Which conveyor will be preferred for its handling? |
| A. | Drag chain conveyor |
| B. | Belt conveyor |
| D. | Flight conveyor |
| E. | Screw conveyor |
| Answer» A. Drag chain conveyor | |
| 121. |
Which of the following is the least preferred conveyor for handling glue? |
| A. | Continuous flow conveyor |
| B. | Screw conveyor |
| C. | Belt conveyor |
| E. | Pneumatic conveyor |
| Answer» E. Pneumatic conveyor | |
| 122. |
The normal speed on escalator is around |
| B. | 9.8 m/s |
| C. | 1 m/s |
| D. | 0.45 m/s |
| E. | 2.5 m/s |
| Answer» D. 0.45 m/s | |
| 123. |
All of the following are fragile except |
| A. | Glass tubes |
| C. | Borax |
| D. | Coffee beans |
| E. | Carbon black (pellets) |
| Answer» C. Borax | |
| 124. |
The advantage of electric braking is |
| A. | it is instantaneous |
| C. | motor continues to remain loaded during braking |
| D. | it avoids wear to track |
| E. | More heat is generated during braking |
| Answer» D. it avoids wear to track | |
| 125. |
The handling capacity of a drag line having buckets of one cubic metre capacity is expected to be highest in case of |
| B. | light moist clay |
| C. | clay, wet sticky |
| D. | clay, hard tough |
| E. | sand or gravel |
| Answer» B. light moist clay | |
| 126. |
The expected life of a wheeled tractor is nearly |
| A. | 2 to 3 years |
| B. | 8 to 10 years |
| D. | 1 year |
| E. | 5 to 6 years |
| Answer» B. 8 to 10 years | |
| 127. |
Lifting magnets are used as material handling devices for |
| A. | pig iron |
| B. | billets |
| C. | tubes |
| D. | all of the above |
| Answer» D. all of the above | |
| 128. |
The horse power to weight ratio of a diesel engine may be expected to be of the order of |
| A. | 45 to 50 kg/HP |
| B. | 85 to 100 kg/HP |
| D. | 10 to 15 kg/HP |
| E. | 25 to 35 kg/HP |
| Answer» A. 45 to 50 kg/HP | |
| 129. |
The horse power required to move a belt conveyor increases as |
| A. | conveyor speed |
| B. | load increases |
| C. | angle of inclination increases |
| D. | all of the above |
| Answer» D. all of the above | |
| 130. |
In case of pneumatic conveyors the minimum diameter of bend should be at least |
| A. | six |
| B. | three |
| C. | two |
| E. | ten |
| Answer» B. three | |
| 131. |
Which one of the following does not form a part of the specification for steel wire rope? |
| A. | Length |
| B. | Material of core |
| D. | Surface finish |
| E. | Lay |
| Answer» D. Surface finish | |
| 132. |
On metre gauge, the maximum horse power of engine, on Indian Railways is around |
| A. | 1400 |
| B. | 150 |
| C. | 2400 |
| E. | 750 |
| Answer» A. 1400 | |
| 133. |
Which of the following bearing is not used in earth moving equipment? |
| A. | Jewel bearing |
| B. | Needle bearing |
| C. | Bush bearing |
| D. | Ball bearing |
| Answer» A. Jewel bearing | |
| 134. |
Which of the following is sticky material? |
| A. | Sand (dam) |
| B. | Sewage sludge (wet) |
| C. | Malt |
| D. | all of the above |
| Answer» D. all of the above | |
| 135. |
A cylinder and a piston is invariably a part of |
| A. | screw type jacks |
| B. | rack-and-lever type jacks |
| C. | hydraulic jacks |
| D. | all of the above |
| Answer» C. hydraulic jacks | |
| 136. |
Bearings used on railway wagons are |
| A. | plumber blocks |
| B. | needle bearings |
| C. | ball bearings |
| D. | roller bearings |
| Answer» D. roller bearings | |
| 137. |
Roller conveyors are used for the movement of |
| A. | corrosive materials |
| B. | granular materials |
| C. | package goods |
| E. | fine dusts |
| Answer» C. package goods | |
| 138. |
Which locomotives are preferred for tunnel construction work? |
| A. | Steam locomotives |
| B. | Electric locomotives |
| C. | Storage battery locomotives |
| D. | None of the above |
| Answer» C. Storage battery locomotives | |
| 139. |
Which motor is preferred for belt conveyors? |
| A. | synchronous motor |
| B. | wound rotor induction motor |
| C. | double squirrel cage induction motor |
| D. | None of the above |
| Answer» C. double squirrel cage induction motor | |
| 140. |
In case of belt conveyors, the permissible slope will be maximum while conveying |
| A. | Earth, dry |
| C. | Anthracite coal |
| D. | Dry sand |
| E. | Wood chips |
| Answer» E. Wood chips | |
| 141. |
A diesel engine cannot be |
| A. | more efficient than a petrol engine |
| C. | used as prime-mover on locomotives |
| D. | run on variable speed |
| E. | started on load |
| Answer» E. started on load | |
| 142. |
The number of driving wheels in case of a 4 - 10 - 2 locomotive will be |
| A. | 4 |
| B. | 6 |
| C. | 10 |
| D. | 2 |
| Answer» C. 10 | |
| 143. |
Flight conveyors are used for the trans-portation of |
| A. | granular materials |
| B. | lumpy materials |
| C. | pulverized materials |
| D. | all of the above |
| Answer» D. all of the above | |
| 144. |
Hydraulic dredges are used in |
| A. | mining of platinum |
| C. | river and harbour work |
| D. | mining of tin |
| E. | mining of gold |
| Answer» C. river and harbour work | |
| 145. |
In case of skip hoists, the band-type brake is generally used for |
| B. | small hoists for light duty |
| C. | large hoists for light duty |
| D. | large hoists for heavy duty |
| E. | small hoists for heavy duty |
| Answer» B. small hoists for light duty | |
| 146. |
The motions of crane-hoisting, trolley traversing and bridging may be powered by |
| A. | electric motors |
| B. | air motors |
| C. | hydraulic units |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 147. |
Which of the following conveyor can be used for handling saw dust? |
| A. | Belt conveyor |
| B. | Flight conveyor |
| C. | Pneumatic conveyor |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 148. |
While dragging, the coefficient of friction (using steel plate) will be least in case of |
| A. | Hydrated lime |
| B. | Grains |
| C. | Cement |
| E. | Clays |
| Answer» B. Grains | |
| 149. |
Hopper bottom type wagon are used on Indian Railways for transportation of |
| A. | grains |
| B. | fertilisers |
| C. | coal |
| D. | all of the above |
| Answer» C. coal | |
| 150. |
The horse power to weight ratio of a steam engine is generally of the order of |
| B. | 20 - 30 kg/HP |
| C. | 30 - 50 kg/HP |
| D. | 60 - 80 kg/HP |
| E. | 10 - 15 kg/HP |
| Answer» D. 60 - 80 kg/HP | |
| 151. |
The sinuous path taken by an engine as against the alignment of the track is known as |
| A. | Hunting motion |
| B. | Lurching motion |
| D. | Rolling motion |
| E. | Nosing motion |
| Answer» E. Nosing motion | |
| 152. |
Pneumatic tyres are not used for providing |
| A. | speed |
| B. | traction |
| C. | friction |
| D. | comfort |
| Answer» C. friction | |
| 153. |
Escalators have the advantage of |
| A. | continuity of motion |
| B. | greater capacity |
| C. | small space requirement |
| D. | all of the above |
| Answer» D. all of the above | |
| 154. |
On railways a dynamometer car is used for |
| A. | recording the condition of track |
| C. | dinning facilities |
| D. | tourists |
| E. | military purpose |
| Answer» A. recording the condition of track | |
| 155. |
Dragline is generally used for |
| A. | excavation |
| B. | pushing |
| C. | dragging |
| D. | Any of the above |
| Answer» A. excavation | |
| 156. |
For railway track, the sleepers are made of |
| A. | wood |
| B. | cast iron |
| C. | RCC |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 157. |
Which of the following cannot be handled using lifting magnets? |
| A. | High manganese steel |
| B. | Mild steel plates |
| C. | Castings of cast iron |
| E. | Scrap iron |
| Answer» A. High manganese steel | |
| 158. |
The handling capacity of a drag line having bucket of one cubic metre capacity is expected to be least while handling |
| A. | Sand |
| B. | Clay, wet sticky |
| C. | Gravel. |
| D. | Clay, hard tough |
| Answer» B. Clay, wet sticky | |
| 159. |
In which wire rope application, the highest factor of safety is necessary? |
| A. | Tow ropes |
| B. | Drag lines |
| C. | Slings |
| D. | Struck guys |
| Answer» C. Slings | |
| 160. |
Small chain hooks are generally |
| A. | cast |
| C. | cast and machined |
| D. | cold headed |
| E. | drop forged |
| Answer» E. drop forged | |
| 161. |
The thickness of belt is usually specified in terms of |
| A. | merit number |
| B. | thickness in mm |
| C. | number of plies |
| D. | index number |
| Answer» C. number of plies | |
| 162. |
All of the following are free flowing materials EXCEPT |
| A. | Soda ash |
| C. | Mica, pulverized |
| D. | Wheat |
| E. | Lead salts |
| Answer» E. Lead salts | |
| 163. |
A type size is specified as 8.25 - 20 in. In this 20 indicates |
| A. | outer diameter in inches |
| B. | cross-section of tyre in sq. inches |
| C. | mean diameter of the tyre in inches |
| E. | rim diameter in inches |
| Answer» E. rim diameter in inches | |
| 164. |
In case direct current motors are used for electric overhead cranes, the motors used are generally |
| A. | shunt wound |
| C. | series wound |
| D. | differentially compound wound |
| E. | cumulatively compound wound |
| Answer» C. series wound | |
| 165. |
Which of the following characteristic can be assigned to metallic dusts? |
| A. | Abrasive |
| B. | Corrosive |
| D. | Sticky |
| E. | Hygroscopic |
| Answer» A. Abrasive | |
| 166. |
Which railway sleeper provides the best rigidity? |
| A. | Cast iron |
| B. | RCC |
| C. | Wooden |
| E. | Cast steel |
| Answer» B. RCC | |
| 167. |
The expected life of aerial transport system (rope way or cable way) is usually |
| A. | 20 years |
| C. | 1 year |
| D. | 5 years |
| E. | 2 to 3 years |
| Answer» A. 20 years | |
| 168. |
In which case, the permissible incline in belt conveyor will be minimum? |
| A. | Clay, dry fine |
| C. | Dry silica sand |
| D. | Coal, slack |
| E. | Powdered lime |
| Answer» C. Dry silica sand | |
| 169. |
In case of belt conveyors, the bearings used for return idlers are |
| A. | anti-friction bearings |
| B. | cast iron bearings |
| D. | bush bearings |
| E. | split bush bearings |
| Answer» A. anti-friction bearings | |
| 170. |
In case of belt conveyors, the permissible slope will be least while conveying |
| A. | Gravel pebbles |
| B. | Sand |
| C. | Wood chips |
| E. | Lignite |
| Answer» A. Gravel pebbles | |
| 171. |
In case of belt conveyors, while conveying anthracite, the maximum permissible slope is |
| B. | 20? |
| C. | 28? |
| D. | 30? |
| E. | 16? |
| Answer» E. 16? | |
| 172. |
An ideal traction system should have |
| A. | high starting tractive effort |
| B. | easy speed control |
| C. | equipment capable of withstanding large temporary overloads |
| D. | all of the above |
| Answer» D. all of the above | |
| 173. |
Inflation pressure for truck tyres is generally |
| B. | 6 kg/cm2 |
| C. | 3 kg/cm2 |
| D. | 2.2 kg/cm2 |
| E. | 1 kg/cm2 |
| Answer» B. 6 kg/cm2 | |
| 174. |
Wrought iron |
| A. | is brittle |
| B. | has shock absorbing properties |
| C. | can be easily welded using electric arc |
| D. | all of the above |
| Answer» B. has shock absorbing properties | |
| 175. |
In case of locomotion, the coefficient of adhesion is highest when |
| A. | the rails are wet |
| B. | the rails are oiled |
| C. | the rails are dusty |
| E. | the rails are dry |
| Answer» A. the rails are wet | |
| 176. |
The size of electric motor depends on |
| A. | hoisting speed |
| B. | weight of load |
| C. | period of acceleration and retardation |
| D. | all of the above |
| Answer» D. all of the above | |
| 177. |
Transportation by locomotives is known as |
| B. | Hauling |
| C. | Pushing |
| D. | Lifting |
| E. | Dragging |
| Answer» B. Hauling | |
| 178. |
Dozers are used for handling material by |
| A. | dragging |
| B. | pulling |
| C. | pushing |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 179. |
The power requirement in case of a screw conveyor depends on |
| A. | material to be handled |
| B. | rate of transportation |
| C. | length of conveyor |
| D. | all of the above |
| Answer» D. all of the above | |
| 180. |
Discoloration should be avoided while handing |
| A. | Silica flour |
| B. | Starch |
| C. | Tobacco |
| E. | Zinc oxide |
| Answer» E. Zinc oxide | |
| 181. |
The pressure of steam in a steam locomotive system is |
| B. | 115 to 125 kg/cm2 |
| C. | 20 to 30 kg/cm2 |
| D. | 70 to 90 kg/cm2 |
| E. | 10 to 15 kg/cm2 |
| Answer» E. 10 to 15 kg/cm2 | |
| 182. |
In case the clutch of a tractor slips, the probable cause cannot be |
| A. | worn out clutch plates |
| B. | misalignment of plates |
| C. | weak or broken pressure springs |
| E. | high engine speed |
| Answer» E. high engine speed | |
| 183. |
If a pump is operating at 100 rpm, it should be a |
| B. | rotory pump |
| C. | centrifugal pump |
| D. | sliding vane type pump |
| E. | reciprocating pump |
| Answer» E. reciprocating pump | |
| 184. |
Which one of the following does not form a part of Derrick crane? |
| B. | Bull wheel |
| C. | Jack |
| D. | Must |
| E. | Boom |
| Answer» C. Jack | |
| 185. |
Regenerative braking is |
| A. | more |
| B. | less |
| C. | less |
| D. | more |
| Answer» D. more | |
| 186. |
In which case of permissible incline in belt conveyor will be maximum? |
| A. | Stone, crushed |
| C. | Coal, run of mine |
| D. | Foundry sand |
| E. | Wet clay |
| Answer» D. Foundry sand | |
| 187. |
Electric overhead travelling cranes operate on |
| B. | ac only |
| D. | either ac or dc |
| E. | dc only |
| Answer» D. either ac or dc | |
| 188. |
In Kando system for electric locomotion |
| B. | dc supply is used to run series motors |
| C. | three phase ac is converted into dc |
| D. | single phase ac is converted into dc |
| E. | single phase supply is converted into three phase system |
| Answer» E. single phase supply is converted into three phase system | |
| 189. |
In case clutch is to be introduced in the drive for belt conveyor, which clutch will be preferred? |
| A. | Dog clutch |
| B. | Spring loaded clutch |
| C. | Hydraulic clutch |
| D. | Any of the above |
| Answer» C. Hydraulic clutch | |
| 190. |
All of the following materials have abrasive action on the belt conveyors except? |
| A. | Alum |
| B. | Borax |
| D. | Wet ash |
| E. | Arsenic salts |
| Answer» E. Arsenic salts | |
| 191. |
While dragging, the coefficient to friction (using steel plate) will be maximum in case of |
| A. | wet saw dust |
| B. | cement |
| C. | dry, hog fuel |
| D. | soda ash |
| Answer» B. cement | |
| 192. |
Rails for railway track are made of |
| A. | mild steel |
| B. | cast iron |
| C. | high speed steel |
| D. | chrome steel |
| Answer» D. chrome steel | |
| 193. |
Which of the following locomotive has the best acceleration characteristics? |
| A. | Diesel engine |
| B. | Steam engine |
| C. | Electric engine |
| E. | Shunting engine |
| Answer» C. Electric engine | |
| 194. |
Which of the following characteristic can be assigned to soda ash? |
| A. | Free flowing |
| B. | Explosive |
| C. | Fragile |
| D. | Caustic |
| Answer» D. Caustic | |
| 195. |
In case of Indian Railway diesel engines which type of diesel engine is used? |
| A. | Radial type engine |
| B. | V-type engine |
| D. | Multi-cylinder in line engine |
| E. | Wankel engine |
| Answer» D. Multi-cylinder in line engine | |
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