Casting, Forming and Welding I Mock Test 6

10%

Question 1 of 10

1. Squeeze casting method was developed in which country?

Russia

America

Japan

India

Question 1 of 10

Question 2 of 10

2. Which of the following methods is best for preventing the solutions of gases in metals?

Venting arrangement

Vacuum melting

Elements inclusion

Bubbling of gas

Question 2 of 10

Question 3 of 10

3. In an induction furnace, mixing and melting rates are altered by?

All of the mentioned factors

Controlling power and frequency of current only

Controlling the number of electrodes used only

Controlling the temperature ranges only

Question 3 of 10

Question 4 of 10

4. In PIC, any wax remnants are dissolved with the help of hot vapors of a solvent. Which solvent is used for this purpose?

Any of the above

TriChloroEthylene

Ethanol

ChloroFluoroCarbon

Question 4 of 10

Question 5 of 10

5. Which of the type of centrifugal casting methods is used to produce ‘non-symmetrical’ shaped castings?

Semi centrifugal casting

True centrifugal casting

Centrifuging

Non centrifugal casting

Question 5 of 10

Question 6 of 10

6. Which of the following formulas show the Sievert’s law of percent of hydrogen (H) present in a melt?

H = K√pHa

H = K(pHa)²

H = K/pHa

H = K*pHa

Question 6 of 10

Question 7 of 10

7. Experiment with gating systems in sand casting is performed before the construction of gating systems for the metallic mould.

True

False

Question 7 of 10

Question 8 of 10

8. Permanent mould casting is suited to low volume production of moderate or complex shapes of casting.

False

True

Question 8 of 10

Question 9 of 10

9. Which of the following metals has the lowest liquid solubility (cc/kg) of hydrogen at atmospheric pressure?

Aluminium

Iron

Copper

Magnesium

Question 9 of 10

Question 10 of 10

10. Which of the following types of clamping is mostly performed for the joining of shells?

Hydraulic

Mechanical

Electrical

Pneumatic

Question 10 of 10