When large number of components are turned and parted off a bar the chuck generally used is the _____.

When large number of components are turned and parted off a bar the chuck generally used is the _____.

A. Collet chuck
B. Four Jaw chuck
C. Magnetic chuck
D. Two jaw chuck


Answer: C

A plug gauge is used to measure

A plug gauge is used to measure

A. Cylindrical bores
B. Screw thread
C. Spherical holes
D. Taper bores


Answer: A

Hacksaw blade that has the same number of teeth as given below are available. Which one would you chose for cutting brass?

Hacksaw blade that has the same number of teeth as given below are available. Which one would you chose for cutting brass?

A. 18 teeth
B. 24 teeth
C. 28 teeth
D. 31 teeth


Answer: B

A sprue is:

A sprue is:

a. A tool used in mould repairing
b. A process of cleaning casting
c. A chemical that is added to molten materials for sound castings
d. A vertical passage through the cope and joining the pouring basin to the runner


Answer: A

What is referred to as gate?

What is referred to as gate?

A. A passage through which metal is poured into mould
B. A passage through which metal rises the mould is filled
C. A passage that finally leads molten metal from the runner into the mould cavity
D. A vent hole to allow for the hot gases to escape



Answer: D

Tumbling is done so as to:

Tumbling is done so as to:

A. Clean the surface of small parts
B. Get surface finish
C. Stress relieve the components
D. Plate the surface


Answer: A

The pressure of inoculation is used:

The pressure of inoculation is used:

A. To clean the casting
B. To decrease the melting temperature of a cast metal
C. To change the chemical composition of a cast metal
D. To modify the structure and properties of a cast metal


Answer: D