McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .
| 101. |
Cutting T-slots can be performed more effectively by milling machine. |
| A. | horizontal |
| B. | vertical |
| C. | can’t say anything |
| D. | none of the mentioned |
| Answer» B. vertical | |
| Explanation: this process depends upon the size of the t bolts which are going to be used and its typical milling process which can be performed by vertical milling more effectively. | |
| 102. |
Slotting can be performed more effectively by milling machine. |
| A. | horizontal |
| B. | vertical |
| C. | both horizontal and vertical |
| D. | none of the mentioned |
| Answer» C. both horizontal and vertical | |
| Explanation: slotting is the removal of material in the form of chips by a relative movement of a tool with a cutting edge relative to a workpiece along a non-circular trajectory. | |
| 103. |
In shaper, the tool head consists of |
| A. | tool post |
| B. | tool slide |
| C. | clamper box |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: all mentioned are the parts of tool head. toolhead of a shaper holds the tool rigidly and provides vertical and angular feed movement. | |
| 104. |
The main parts of shaper are |
| A. | base and body |
| B. | ram and tool head |
| C. | crossrail and body |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: all mentioned are the parts of shaper. due to these parts, this machine is arranged in such a manner that it can produce flat surfaces easily and perform other operations too. | |
| 105. |
The body of the shaper comprises of |
| A. | pillar |
| B. | column |
| C. | frame |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: all are the parts of shaper. column and pillar are used to stabilize the machine and are mounted on base. the frame is the basic structure of this machine. | |
| 106. |
The base of the shaper is a heavy cast iron casting. |
| A. | true |
| B. | false |
| Answer» A. true | |
| Explanation: as per the construction of the base. it must be made of heavy cast iron casting because the whole machine including pillar, frame, column are mounted on the base. so base must be capable and strong enough to withstand it. | |
| 107. |
The base of the shaper is not able to withstand the vibration. |
| A. | true |
| B. | false |
| Answer» B. false | |
| Explanation: the base of shaper is able to withstand the vibration. in shaper, reciprocating feed is given so there is always a chance of higher vibration and since the entire machine is mounted on the base it is necessary that this base must be able to withstand vibration for the safety purpose. | |
| 108. |
Drive mechanism consists of |
| A. | main drives |
| B. | the gear box |
| C. | quick return mechanism |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: all are the parts of drive | |
| 109. |
Quick return mechanism is responsible for ram movement. |
| A. | true |
| B. | false |
| Answer» A. true | |
| Explanation: as per the working of quick return mechanism. whenever there is a need to convert rotary motion into reciprocating motion, quick return mechanism is used. | |
| 110. |
The top of the body provides guideways for |
| A. | ram |
| B. | crossrail |
| C. | can’t say anything |
| D. | none of the mentioned |
| Answer» A. ram | |
| Explanation: as per the construction and working of shaper body. guideways are like a track or path and ram is a reciprocating member of shaper. | |
| 111. |
Product development is a central business activity because? |
| A. | it is expensive and complicated |
| B. | it determines organization’s future |
| C. | it is risky |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 112. |
Which of the following statement is false? |
| A. | a product plan is a list of approved development projects, with strat and delivery dates |
| B. | marketing is a process of conceiving products and planning and executing their promotion, distribution, and exchange with customers |
| C. | an opportunity funnel is a mechanism for collecting product ideas from specific source |
| D. | none of the mentioned |
| Answer» C. an opportunity funnel is a mechanism for collecting product ideas from specific source | |
| 113. |
Which of these are incorrect for the product plan? |
| A. | no need to revise product plan frequently |
| B. | product plan guides the launch of various product development activities |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» A. no need to revise product plan frequently | |
| 114. |
Designs are periodically modified to |
| A. | improve product performance |
| B. | strive for zero-based rejection and waste |
| C. | make products easier and faster to manufacture |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 115. |
Properties of workpiece materials are |
| A. | geometric features of the part |
| B. | production rate and quantity |
| C. | process selection consideration |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 116. |
Expendable mold and permanent mold are the parts of manufacturing process. |
| A. | machining |
| B. | casting |
| C. | none of the mentioned |
| D. | joining |
| Answer» B. casting | |
| 117. |
In type of manufacturing process, material is wasted. It is in the form of chips. |
| A. | machining process |
| B. | casting process |
| C. | joining process |
| D. | forming and shaping process |
| Answer» A. machining process | |
| 118. |
With the use of Jigs and fixture total cost of production |
| A. | increases |
| B. | decreases |
| C. | remains same |
| D. | jigs are not used in any production process |
| Answer» B. decreases | |
| 119. |
With the use of Jigs and fixture quality control expenses will |
| A. | reduce |
| B. | increases |
| C. | jigs and fixture are not used in any production process |
| D. | none of the mentioned |
| Answer» A. reduce | |
| 120. |
What is the main cause of accidents in urban areas? |
| A. | improper planning |
| B. | extra wide roads |
| C. | additional thickness of the pavement |
| D. | traffic congestion |
| Answer» A. improper planning | |
| 121. |
Demographic factors do not include |
| A. | gdp |
| B. | population in urban cities |
| C. | population in rural areas |
| D. | overall population |
| Answer» A. gdp | |
| 122. |
The traffic population is estimated by |
| A. | arithmetic method |
| B. | geometric method |
| C. | incremental increase method |
| D. | harmonic method |
| Answer» B. geometric method | |
| 123. |
Which of the following data is not required to prepare an estimate? |
| A. | amplitude |
| B. | drawings |
| C. | specifications |
| D. | rates |
| Answer» A. amplitude | |
| 124. |
Estimating is the technique of calculating the various quantities and is needed for controlling the expenditure during the execution of the work. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 125. |
is required for preliminary studies of various aspects of a work or project. |
| A. | supplementary estimate |
| B. | plinth area estimate |
| C. | revised estimate |
| D. | abstract estimate |
| Answer» D. abstract estimate | |
| 126. |
Approx. cost of a bridge of 3 spans of 50 m each span @Rs.30000/- per running m of span comes to 3*50*30000 = Rs. 45 lakhs. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 127. |
1 ESTIMATION OF DIFFERENT TYPES OF JOBS |
| A. | true |
| B. | false |
| Answer» B. false | |
| 128. |
is prepared on the basis of plinth area of building, the rate being deducted from the cost of similar building having similar specification, heights and construction, in the locality. |
| A. | cube rate estimate |
| B. | supplementary estimate |
| C. | maintenance estimate |
| D. | plinth area estimate |
| Answer» D. plinth area estimate | |
| 129. |
is the amount provided in the estimate and bill of quantities for some specialised work to be done by a specialised firm; whose details are not known at the time of preparing estimate. |
| A. | prime cost |
| B. | provisional sum |
| C. | capital cost |
| D. | building cost index |
| Answer» B. provisional sum | |
| 130. |
estimate is a detailed estimate and is prepared to maintain the structure or work in proper order and safe condition. |
| A. | supplementary and revised estimate |
| B. | maintenance estimate |
| C. | item rate estimate |
| D. | revised estimate |
| Answer» B. maintenance estimate | |
| 131. |
A large work or project may consists of several building or small works and each of these work is known as |
| A. | sub-work |
| B. | sub-project |
| C. | sub-head |
| D. | sub-construction |
| Answer» A. sub-work | |
| 132. |
The term is used to denote a procedure of costing or valuing an item of work on the basis of actual labourers and materials required. |
| A. | prime cost |
| B. | hour-work |
| C. | day-work |
| D. | sub-work |
| Answer» C. day-work | |
| 133. |
Shaping of metal by squeezing them in between two or more dies in order to obtain desire shape is done by? |
| A. | forming |
| B. | forging |
| C. | welding |
| D. | grinding |
| Answer» B. forging | |
| 134. |
Forging is carried out at which temperature? |
| A. | below recrystallization temperature |
| B. | above recrystallization temperature |
| C. | below or above recrystallization temperature |
| D. | above melting point |
| Answer» C. below or above recrystallization temperature | |
| 135. |
In which of the forging process metal is kept in between a pair of dies and no gutter is provided in the lower die? |
| A. | open die |
| B. | closed die |
| C. | impression dies |
| D. | hold dies |
| Answer» C. impression dies | |
| 136. |
In which of the following forging process poor material utilization occurs? |
| A. | open die |
| B. | closed die |
| C. | impression dies |
| D. | hold dies |
| Answer» A. open die | |
| 137. |
The energy consumption is a drawback of the foundry. |
| A. | high |
| B. | optimum |
| C. | intensive |
| D. | low |
| Answer» A. high | |
| 138. |
defects in castings cannot be identified easily. |
| A. | internal |
| B. | external |
| C. | chemical |
| D. | metallic |
| Answer» A. internal | |
| 139. |
The directional properties are imparted to the castings made in foundries. |
| A. | single |
| B. | double |
| C. | spherical |
| D. | multiple |
| Answer» A. single | |
| 140. |
is the speed at which the metal is removed by the tool from the work piece. |
| A. | feed |
| B. | cutting speed |
| C. | depth of cut |
| D. | none of the mentioned |
| Answer» B. cutting speed | |
| 141. |
is the distance the tool advances for each revolution of the work. |
| A. | feed |
| B. | depth of cut |
| C. | metal removal rate |
| D. | none of the mentioned |
| Answer» A. feed | |
| 142. |
The depth of cut is the distance measured from the machined surface to the surface of the work piece, which is uncut. |
| A. | parallel |
| B. | perpendicular |
| C. | at 45 degree |
| D. | none of the mentioned |
| Answer» B. perpendicular | |
| 143. |
Which of the following represents the formula for the depth of cut? d1=diameter of work surface before machining and d2=diameter of the machined surface |
| A. | d1+d2 |
| B. | d1-d2 |
| C. | (d1+d2)/2 |
| D. | (d1-d2)/2 |
| Answer» D. (d1-d2)/2 | |
| 144. |
Which of the following represents the formula for the machining time? s=feed of the job per revolution, l=length of the job, n=rpm. |
| A. | l / (s*n) |
| B. | (s*n) / l |
| C. | (l*s) / n |
| D. | none of the mentioned |
| Answer» A. l / (s*n) | |
| 145. |
For lathe operations, work piece can be hold |
| A. | between centres |
| B. | on mandrel |
| C. | either between centres or on mandrel |
| D. | none of the mentioned |
| Answer» C. either between centres or on mandrel | |
| 146. |
Reaming and counter boring can be performed by |
| A. | centres |
| B. | face plates and angle plates |
| C. | special attachments |
| D. | none of the mentioned |
| Answer» B. face plates and angle plates | |
| 147. |
Shaping can be performed more effectively by milling machine. |
| A. | horizontal |
| B. | vertical |
| C. | can’t say anything |
| D. | none of the mentioned |
| Answer» B. vertical | |
| 148. |
Form cutting can be performed more effectively by milling machine. |
| A. | horizontal |
| B. | vertical |
| C. | can’t say anything |
| D. | none of the mentioned |
| Answer» A. horizontal | |
| 149. |
Slab milling can be performed more effectively by milling machine. |
| A. | horizontal |
| B. | vertical |
| C. | can’t say anything |
| D. | none of the mentioned |
| Answer» A. horizontal | |
| 150. |
Drilling can be performed more effectively by milling machine. |
| A. | horizontal |
| B. | vertical |
| C. | can’t say anything |
| D. | none of the mentioned |
| Answer» B. vertical | |
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