1) Name the rivet for avoiding the projection on the surface of the riveted joint
pan head rivet
snap head rivet
countersunk head rivet
flat head rivet
2) While making riveted joints, few common defects will occur like bending of the rivet. What is the reason for this defect?
too much force applied while riveting
rivet length too long
the burnt clog in the hole
hole too large
3) The part of the universal surface gauge which helps draw a parallel line along a datum edge is the .........
guide pins
fine adjustment screw
rocker arm
snug
4) feather key in the given figure:
5) power saw in the given figure:
6) Identify the reading of the 0-25 mm micrometer setting in the figure:
7.31
7) The weight of an engineer’s hammer, used for marking purposes is
300 gms
250 gms
325 gms
275 gms
8) The point angle of the center punch is ......
60°
120°
90°
30°
9) At the end of the cutting with a hacksaw, the cutting pressure should be .............
less
very high
high
normal
10) A slight convexity is given in the cutting edge of the flat chisel is to ................
cut keyway on a shaft
cut curved surface
prevent digging of the ends
cut sharp corners
11) The straight shank drill is held in the main spindle of drilling machine by ...................
chuck
floating holder
collet
sleeve
12) The size of the dividers is specified by the .....................
total length of the legs
the distance between the points when fully opened
length of legs without the points
the distance between the pivot and the point
13) The point angle for a standard drill is .......
108°
135°
118°
60°
14) Hand files are made of ............
medium carbon steel
high carbon steel
low carbon steel
high chromium steel
15) Which property of a metal is called mechanical property?
specific gravity
conductivity
tenacity
fusibillity
16) Which equipment is used to determine the specific gravity of a substance?
Nicholson’s hydrometer
Pyrometer
Lactometer
Galvanometer
17) Which angle makes rake angle in a twisted drill?
Chisel angle
Lip clearance angle
Point angle
Helix angle
Correct answer
Helix angle
18) The drilled hole is larger than the size of the drill used. The reason is .................
unequal length of the cutting edges
too much feed
lip clearance not accurate
helix angle not accurate
19) Name the marking media that takes more time for drying than the other:
Chalk powder mixed with water
Prussian blue
Copper sulphate
Cellulose lacquer
20) ‘V’ blocks are available in grades of .............
A & B
1, 2 & 3
1 & 2
A, B & C
21) The shape of the file is specified by its ..........
Cross-section
Length
Width
Thickness
22) Scribers are made of ...........
Mild steel
High carbon steel
Cast iron
Brass
23) The part of the metric micrometer which carries the 0.01 mm graduation is called a .........
spindle
thimble
sleeve
carrier
24) The least count of a vernier caliper in which 19 (19 mm) main scale divisions are divided into 20 equal divisions in the vernier scale will be ................
0.02
0.01
0.05
0.019
25) The main purposes of annealing are.....................
to increase the toughness
to increase the hardness
to improve the machinability
to remove distortion.
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