Question78:-The cutting angle of half round scraper is between .....?
A:-60 Degree to 80 Degree
B:-45 Degree to 65 Degree
C:-65 Degree to 75 Degree
D:-45 Degree to 68 Degree
Correct Answer:- Option-B

Question79:-In which of the following metal has its most one important uses for Electro Plating Metallic?
A:-Chromium
B:-Nickel
C:-Stainless Steel
D:-Aluminium
Correct Answer:-Question Cancelled

Question80:-Which flame does not have bad effect on metals / weld?
A:-Neutral flame
B:-Oxdizing flame
C:-Carburing flame
D:-None
Correct Answer:- Option-A

Question81:-A depression formed at the end of the weld is called?
A:-Pinehole
B:-Blowhole
C:-Crater
D:-Crack
Correct Answer:- Option-C

Question82:-In which of the following Anode materials are insoluble?
A:-Nickel
B:-Chromium
C:-Copper
D:-Zinc
Correct Answer:- Option-B

Question83:-Percentage of carbon in mild steel?

A:-0.1 to 0.3%
.15 to 0.25%
C:-0.1 to 0.5%
D:-1 to 4 %
Correct Answer:-Question Cancelled

Question84:-The temperature at which the structure of steel completely changes to Austenite is called?
A:-Lower critical temperature
B:-Upper critical temperature
C:-Preheat
D:-Soaking time
Correct Answer:- Option-B

Question85:-Which one of the following is used for gas carburizing?
A:-Acetylene
B:-Hydrogen
C:-Methane
D:-Oxygen
Correct Answer:- Option-C

Question86:-Ball bearing are most widely used to all the bearings the width of the ball bearing is
A:-Equal to bore diameter
B:-Greater than bore diameter

:-Smaller than bore diameter
D:-Equal or greater than bore diameter
Correct Answer:- Option-C

Question87:-The swage block is made of?

A:-Malleable castiron
B:-Aluminium
C:-Cast Steel
D:-Steel