Multiple Choice
For welding of non-ferrous materials which of the following is preferred?
A) Microwave frequency voltage
B) Low frequency ac
C) High frequency ac
D) Direct current
E) Induction heating
Correct Answer:
Verified
Correct Answer:
Verified
Q23: Shell sands are coated with<br>A)molasses<br>B)urea formaldehyde<br>C)carbon disulphide<br>D)Parting
Q24: In EDM the material of the tool
Q25: Swell is a defect in castings due
Q26: Which of the following machine is likely
Q27: A chisel is used for<br>A)Cutting the wood<br>B)Planing
Q29: The Roman notation DCCCC represents<br>A)900<br>B)440<br>C)340<br>D)90<br>E)140
Q30: The minimum section thickness for cast iron
Q31: Refractory metals are<br>A)Those which can be cast
Q32: When large number of components are turned
Q33: As far as machinability is concerned, which