1) The following is (are) the example(s) of Plain bearing(s).
a. Thrust bearing
b. Linear bearing
c. Journal bearing
d. All of these
Correct answer
d. All of these
2) A …………….. bearing supports the load acting along the axis of the shaft.
Radial
Longitudinal
Transversal
Thrust
Correct answer
Thrust
3) In angular contact bearings, ………. bearings are required to take thrust load in both directions.
1
2
3
4
Correct answer
2
4) Taper roller bearing supports
a. Axial loads
b. Thrust loads
c. Both (a) & (b)
d. None of these
Correct answer
c. Both (a) & (b)
5) Which of the following cannot take the radial load?
a. Cylindrical Roller bearing
b. Taper roller bearing
c. Thrust ball bearing
d. None of these
Correct answer
c. Thrust ball bearing
6) Which of the following cannot tolerate misalignment?
a. Angular contact bearing
b. Cylinder roller bearing
c. Thrust ball bearings
d. All of these
Correct answer
d. All of these
7) What will be the result if the clearance angle in the drill is increased?
Rough hole surface
Weak cutting edge
Poor wedging action
Increased point angle
Correct answer
Weak cutting edge
8) The pattern on the work surface caused by the movement of the cutting tool is called?
Roughness
Lay
Waviness
Surface texture
Correct answer
Surface texture
9) Which of the following property is affected by heat treatment?
a. Hardness
b. Strength
c. Ductility
d. All of these
Correct answer
d. All of these
10) Annealing involves heating the component to a temperature
a. Slightly above the critical temperature
b. Equal to critical temperature
c. Slightly less than the critical temperature
d. None of these
Correct answer
a. Slightly above the critical temperature
11) Tempering involves
a. Reheating the quenched component to a temperature greater than critical temperature
b. Increasing the brittleness
c. Reheating the quenched component to a temperature equal to the critical temperature
d. None of these
Correct answer
d. None of these
12) In a Lathe machine which of the following is fitted on the bed?
a. Headstock
b. Tailstock
c. Both (a) & (b)
d. None of these
Correct answer
c. Both (a) & (b)
13) Which of the following provides the foundation for the whole lathe machine?
Bed
Headstock
Tailstock
Carriage
Correct answer
Bed
14) In lathe work, when the tool is fed parallel to the rotation of job work, it will produce
a. Cylindrical surface
b. Spherical surface
c. Tapered surface
d. All of these
Correct answer
a. Cylindrical surface
15) The following part of Lathe serves as the housing for the driving pulleys and back gears
Headstock
Carriage
Bed
Tailstock
Correct answer
Headstock
16) In Lathe, the back gears are used for affecting …………. in spindle speeds, thereby facilitating a wider range of speeds
a. Increase
b. Reduction
c. Increase or reduction
d. None of these
Correct answer
b. Reduction
17) Identify the type of riveted joint
Single strap butt joint
Lap Joint
Double riveted lap joint
Double strap butt joint
Correct answer
Double strap butt joint
18) Which one of the bushes used in a drill jig and permits cutting tools of different diameters?
Liner bushes
Press fit bushes
Fixed removable bushes
Removable bushes
Correct answer
Removable bushes
19) In which tool post on lathe, quick replacement of the tool is ensured?
a. Single way tool post
b. Four bolt tool post
c. Open slide tool post
d. None of these
Correct answer
c. Open slide tool post
20) Three jaw chuck is also known as
a. Universal chuck
b. Self-centering chuck
c. Universal or self-centering chuck
d. None of these
Correct answer
c. Universal or self-centering chuck
21)Which of the following chuck is also known as dog chuck?
a. Four jaw chuck
b. Three jaw chuck
c. Two jaw chuck
d. None of these
Correct answer
a. Four jaw chuck
22) A hole, which is not made through the full depth of the component is known as
Blind hole
Borehole
Pinhole
Core hole
Correct answer
Blind hole
23) It is the process of removing very small chips from metal surfaces by means of a sharp-edged tool. What is this tool called?
Chisel
Reamer
Scraper
Hacksaw
Correct answer
Scraper
24) A cutting tool used to cut outside threads is called
Drill
Tap
Die
Reamer
Correct answer
Die
25) Which one of the following is an artificial abrasive?
Corundum
Emery
Silicon carbide
Diamond
Correct answer
Silicon carbide
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