Question78:-The cutting angle of half round scraper is between .....7
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?

C:-Stainless Steel
D:-Aluminium
Correct Answer:- Option-A
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?
ಹಿ-0.1 0 0.3%
B:-0.15 to 0.25%
C:-0.1t00.5%
D:-1tod4 %
Correct Answer:- Option-A
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
Questiong5:-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 ‏کا‎
‎A:-Equal to bore diameter
B:-Greater than bore diameter
C:-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