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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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