1) Which of the following fire extinguishing agent is suitable for a live electrical fire?
Carbon dioxide
Water
Carbon Tetrachloride
Foam
2) The caliper meant for measuring the width of a slot is .........................
jenny caliper
odd leg calliper
outside calliper
inside calliper
3) The bench vices are specified by ...................
the moving distance of moving jaw
the length of the spindle
the length of the fixed jaw
the width of the jaw
4) Which head is used for locating the center of the cylindrical jobs ...................
try square
centre head
square head
steel rule
5) Scribers are made of
high carbon steel
mild steel
cast iron
brass
6) Which chisel is used for cutting keyways?
Round nose chisel
Flat Chisel
Diamond point chisel
Crosscut chisel
7) The part of the universal surface gauge which helps to draw a parallel line along a datum edge is the ............................
guide pins
rocker arm
fine adjusting screw
sung
8) Which marking media is used for casting and forging surfaces ............................
prussian blue
red lead
chalk powder
copper sulphate
9) The key has a curved bottom to match the shaft. This key is known as
sunk key
feather key
hollow saddle key
flat saddle key
10) The good conductor of heat and electricity is
iron wire
stainless steel wire
copper wire
brass wire
11) What are the countersinking angle for seating countersink head machine screws and debarring of holes?
70°
80°
90°
60°
12) Which inside dimension is not possible to measure by the inside micrometer ...............
76.20
110.55
10.45
26.35
13) The depth bar of vernier caliper is attached with ....................................
vernier scale
movable jaw
fixed jaw
fine adjustment screw
14) A drift is used for ...................
drawing a drill location
fixing chuck on the machine spindle
removing the drill from the machine spindle
drawing a broken drill from the work
15) Which one of the following hammer is used in heavy forging work?
Cross pein hammer
Sledge hammer
Ball pein hammer
Straight pein hammer
16) Soft clamps are used for clamping sheet metal in bench vice because ...................
they prevent indentation
they give high accuracy
they prevent breakage
they prevent wear and tear
17) One of the functions of fuller in the forging shop is .............................
bending down
upsetting
necking down
swaging down
18) After hardening the tool is reheated and cooled to get the required property of toughness. This process is called ...................
cash hardening
induction hardening
tempering
flame hardening
19) Diluted Hydrochloric acid is used as a flux for soldering .........................
galvanized iron sheet
stainless steel sheet
brass sheet
copper sheet
20) A stake is a ....................
marking tool
cutting tool
hand tool
supporting tool
21) The most suitable tool for correct folding of sheet metal at 90° is ....................
angle iron
hand hammer
hatchet stake
folding bars
22) The maximum distance from the edge to the center of the first rivet should be ......................
two times the diameter of the rivet
five times the diameter of the rivet
four times the diameter of the rivet
three times the diameter of the rivet
23) The color code for identifying a gas cylinder containing oxygen is .................
red
black
maroon
blue
24) The root opening in square butt welding is given ........................
to keep the job in alignment
to maintain correct dimension
to control the distortion
to obtain penetration
25) If a patient does not respond to mouth to mouth resuscitation treat a first aider should immediately .........................................
check for broken limbs
keep the body warm with blankets
seek medical help
check puplis of eyes and pulse
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