Practice Test: Question Set - 28
1. A jet engine turbine blade is normally manufactured by
- (A) Forging
- (B) Shell moulding
- (C) Investment casting
- (D) Pressure die casting
2. If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
- (A) Critical
- (B) Breeder
- (C) Fertile
- (D) Heterogeneous
3. X-rays are
- (A) Positively charged
- (B) Negatively charged
- (C) Neutral
- (D) Of higher wavelength than visible light
4. Aluminium is extracted from
- (A) Chalcocite
- (B) Bauxite
- (C) Galena
- (D) None of these
5. In extrusion of metals, which of the following statement is true?
- (A) Speed of the extruded material is same as that of ram speed
- (B) Redundant work is a function of the die angle
- (C) Relative motion between the billet surface and
the container wall is always present
- (D) Hollow ram is used for indirect extrusion
6. Out of the following, the joint produced by __________ has the lowest strength.
- (A) Soldering
- (B) Welding
- (C) Brazing
- (D) Riveting
7. __________ fluid force is not considered in the Navier-Stokes equation.
- (A) Turbulent
- (B) Viscous
- (C) Gravity
- (D) Pressure
8. Copper deposits are found in India at the following location:
- (A) Kudremukh
- (B) Kolar
- (C) Khetri
- (D) Ramagundam
9. The most important consideration in value engineering is the
- (A) Profit maximisation
- (B) Customer satisfaction
- (C) Cost reduction
- (D) Process improvement
10. Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?
- (A) High fusibility & fluidity
- (B) High thermal conductivity
- (C) Low density
- (D) High chemical activity
11. Which of the following is not an explosive?
- (A) TNT
- (B) CMC
- (C) RDX
- (D) Lead azide
12. Dies for wire drawing are generally made of
- (A) Mild steel
- (B) Stainless steel
- (C) Carbides
- (D) High carbon steel
13. 'Ice point' is designated on Fahrenheit temperature scale by
- (A) 0°
- (B) 32°
- (C) 62°
- (D) 212°
14. Auto collimator is used to check
- (A) Flatness
- (B) Angle
- (C) Rotor balancing
- (D) Roughness
15. Maximum consumption of limestone is in the __________ industry.
- (A) Iron and steel
- (B) Cement
- (C) Glass
- (D) Fertilizer
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