B:-Thermal Expansion
C:-Stress
D:-Force
Correct Answer:- Option-C
Question59:-Which one of the following key may be screwed to the shaft?
A:-Saddle
B:-Woodruff
C:-Taper
D:-Feather
Correct Answer:- Option-D
Question60:-The shaft ends are entre drilled for?
A:-Supporting jobs between centres
-Lubricating the dead centre
C:-Reducing the weight
D:-Assisting counter boring
Correct Answer:- Option-A
Question61:-Tap washers are used for .....?
A:-Preventing vibration
-Locking the nuts
C:-Self locking
D:-Fastening structural fabrication work
Correct Answer:- Option-B
Question62:-The least count of a vernier metric micrometer is
A:-0.1 mm
.01 mm
:-0.001 mm
D:-0.0001 mm
Correct Answer:- Option-C
Question63:-A chemical compound of carbon with iron is called?
A:-Ferrite
B:-Pearlite
C:-Cementite
D:-Austenite
Correct Answer:- Option-C
Question64:-Bell metal is an alloy of
A:-Lead and Tin
B:-Copper and Tin
C:-Copper and Aluminium
D:-Copper and Nickle
Correct Answer:- Option-B
Question65:-Which taper on diameter is always 1:20?
A:-Metric Taper
B:-Mirse Taper
C:-Brown and sharp Taper
D:-Pin Taper
Correct Answer:- Option-A
Question66:-As per Indian standard the radius of Fillet Gauge are available in size range of?
A:-0.6 to 25 mm
B:-1 mm to 8 mm
C:-5 mm to 20 mm
D:-10 mm to 25 mm
Correct Answer:- Option-A
Question67:-In which of the following punch is used for marking witness mark?
A:-Prick Punch 30 Deg.
B:-Dot Punch 60 Deg.
C:-Centre Punch
D:-Bell Punch
Correct Answer:- Option-B
Question68:-One yard is equal to