Explore topic-wise MCQs in Mechanical Engineering.

This section includes 168 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Slotting can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. both horizontal and vertical
D. none of the mentioned
Answer» D. none of the mentioned
2.

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» C. can’t say anything
3.

Straddle milling 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
4.

Angular milling can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» D. none of the mentioned
5.

Dovetailing can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» C. can’t say anything
6.

Boring can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» C. can’t say anything
7.

Drilling can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» C. can’t say anything
8.

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» B. vertical
9.

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» B. vertical
10.

Shaping can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» C. can’t say anything
11.

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» C. at 45 degree
12.

The                directional properties are imparted to the castings made in foundries.

A. single
B. double
C. spherical
D. multiple
Answer» B. double
13.

The                energy consumption is a drawback of the foundry.

A. high
B. optimum
C. intensive
D. low
Answer» B. optimum
14.

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» B. casting process
15.

Expendable mold and permanent mold are the parts of          manufacturing process.

A. machining
B. casting
C. none of the mentioned
D. joining
Answer» C. none of the mentioned
16.

Approximate cost of sewerage project for a population of one [email protected] Rs. 10/- head works out as Rs. 10 lakh.

A. true
B. false
Answer» C.
17.

The energy consumption is a drawback of the foundry.

A. high
B. optimum
C. intensive
D. low
Answer» B. optimum
18.

A round billet made of 70-30 brass is extruded at a temperature of 675°C. The billet diameter is 125 mm, and the diameter of the extrusion is 50 mm. Calculate the extrusion force required.

A. 4 mn
B. 5 mn
C. 5.6 mn
D. none of the mentioned
Answer» D. none of the mentioned
19.

Which of the following part of shaper supports the entire load of the machine?

A. base
B. crossrail
C. frame
D. none of the mentioned
Answer» B. crossrail
20.

Slotting can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. both horizontal and vertical
D. none of the mentioned
Answer» D. none of the mentioned
21.

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» C. can’t say anything
22.

Angular milling can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» D. none of the mentioned
23.

Straddle milling 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
24.

Dovetailing can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» C. can’t say anything
25.

Boring can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» C. can’t say anything
26.

Drilling can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» C. can’t say anything
27.

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» B. vertical
28.

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» B. vertical
29.

Shaping can be performed more effectively by              milling machine.

A. horizontal
B. vertical
C. can’t say anything
D. none of the mentioned
Answer» C. can’t say anything
30.

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» C. special attachments
31.

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» D. none of the mentioned
32.

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» B. (s*n) / l
33.

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» E.
34.

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» C. at 45 degree
35.

           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» B. depth of cut
36.

             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» C. depth of cut
37.

Foundry process is used to make intricate parts.

A. true
B. false
Answer» B. false
38.

The                directional properties are imparted to the castings made in foundries.

A. single
B. double
C. spherical
D. multiple
Answer» B. double
39.

                             defects in castings cannot be identified easily.

A. internal
B. external
C. chemical
D. metallic
Answer» B. external
40.

The                energy consumption is a drawback of the foundry.

A. high
B. optimum
C. intensive
D. low
Answer» B. optimum
41.

In which of the following forging process poor material utilization occurs?

A. open die
B. closed die
C. impression dies
D. hold dies
Answer» B. closed die
42.

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» D. hold dies
43.

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» D. above melting point
44.

1 ESTIMATION OF DIFFERENT TYPES OF JOBS

A. true
B. false
Answer» C.
45.

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» B. false
46.

Which of the following data is not required to prepare an estimate?

A. amplitude
B. drawings
C. specifications
D. rates
Answer» B. drawings
47.

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» B. extra wide roads
48.

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» B. increases
49.

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» C. remains same
50.

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» B. casting process