Chemical Engineering Exam Quiz - Set 06 - ObjectiveBooks

Chemical Engineering Exam Quiz - Set 06


1. Which of the following is the most effective inhibitor of grain growth, when added in small quantity in steel?
Manganese
Vanadium
Cobalt
Copper

2. Kinematic viscosity of water as compared to that of air is
More
Same
15% more
15% less

3. On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase.
Ultimate tensile strength (UTS)
Modulus of toughness
Percent elongation
Modulus of resilience

4. Magnesium addition to cast iron increases its
Corrosion resistance
Creep strength
Ductility and strength in tension
Hardness

5. The ultimate strength in tension for steel is __________ times the ultimate strength in shear.
0.5
0.9
1.5
2.5

6. Pick the odd man out.
Austempering
Martempering
Cyaniding
Parkerizing

7. The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature of air.
Ambient
Dry bulb
Dew point
Wet bulb

8. Austenite is not
Ductile
Malleable
Magnetic
Soft

9. Percentage of gauge is maximum in the ore of
Iron
Gold
Zinc
Copper

10. Which is the most suitable joint for the pipes, with are laid submerged under water, where the bottom of the river bed is uneven?
Collar joint
Flexible joint
Flanged joint
Expansion joint

11. Titanium can be easily welded using __________ welding.
Submerged arc
TIG
Shielded metal arc
Electroslag

12. Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is
Chromium
Nickel
Zinc
Aluminium

13. Draught produced by a tall chimney due to density difference between hot flue gas inside the Chimney and atmospheric air outside the chimney is more appropriately known as the __________ draught.
Natural
Induced
Forced
Chimney

14. Addition of __________ in steel can help in increasing the depth of hardness.
Nickel
Chromium
Vanadium
Tungsten

15. Pick out the wrong statement.
Partnership is suitable for medium size business
A certain minimum of subscription of capital is required for legally starting a business in a Public Limited Joint Stock Company
Public Limited Joint Stock Company is legally bound to issue prospectus after registration
A small scale industry is the one, which has a minimum capital investment of Rs. 50 lakhs and maximum 100 lakhs

16. Needles are produced by
Forging
Swaging
Extrusion
Machining

17. The power of a low capacity prime mover is most suitably measured by a __________ type dynamometer.
Driving
Transmission
Absorption
None of these

18. The speed of sound will be maximum in
Vacuum
Metal
Air
Water

19. Silicon percentage in the silicon steel used for electrical appliances/equipments is
0.3-0.4
12-14
3-4
20-25

20. The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.
Isotactic
Saturation
Inversion
Throttling

     Score =

Correct answers:

    Blogger Comment
    Facebook Comment

0 blogger:

Post a Comment