In a bilateral system of tolerance, the tolerance is allowed on
A. one side of the actual size
B. one side of the nominal size
C. both sides of the actual size
D. both sides of the nominal size
Answer D
Which of the following welding process uses non-consumable electrodes?
A. TIG welding
B. MIG welding
C. Manual arc welding
D. Submerged arc welding
Answer A
In a centrifugal casting method
A. core is ade of sand
B. core is made of ferrous metal
C. core is made of non-ferrous metal
D. No core is used
In arc welding, the electric arc is produced between the work and the electrode by
A. Voltage
B. Flow of current
C. Contact resistence
D. All of the above
Answer C
A taper provided on the pattern for its easy and clean withdrawl from the mould is known as
A. Machine allowance
B. Draft allowance
C. Shrinkage allowance
D. Distortion allowance
Answer B
