101
A tube has the following advantage over pipe
Answer: all of the above
Questions
102
In order to permit the thermal expansion/contraction of tubing, it should be
Answer: bent
103
The function of cutting oil when threading a pipe is to
Answer: all of the above
105
The valve rod in a steam engine is connected to an eccentric rod by
Answer: kunckle joint
107
If threads on a bolt are left hand, threads on nut will be
Answer: left hand with same pitch
108
If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation
Answer: 168 d
109
Eye bolts are used for
Answer: lifting and transportation of machines and cubicles
111
A tapered key which fits in a keyway in the hub and is flat on the shaft, is known as
Answer: flat saddle key
112
A key made from a cylindrical disc having segmental cross-section, is known as
Answer: wood-ruff key
113
A key capable of tilting in a recess milled out in a shaft is known as
Answer: wood-ruff key
116
Machine screws are
Answer: slotted for a screw driver and generally used with a nut
117
The designation M 33 x 2 of a bolt means
Answer: metric threads of 33 mm outside diameter and 2 mm pitch
118
A self locking screw has
Answer: coefficient of friction > tangent of load angle
