Study on Material Selection of Reactor Pressure Vessel Online Test - Set 29 - ObjectiveBooks

Study on Material Selection of Reactor Pressure Vessel Online Test - Set 29

Practice Test: Question Set - 29

1. Which of the following alloy steels is the most suitable for making gun barrels and projectiles?
    (A) Tungsten steel
    (B) Molybdenum steel
    (C) Nickel-chrome steel
    (D) Cobalt steel

2. White cast iron is not
    (A) Malleable
    (B) Whitish in color
    (C) Brittle
    (D) Strong and hard

3. Specify the material of construction suitable for handling concentrated HNO3 at 100°C.
    (A) High silicon iron, Kel-F and Teflon
    (B) Tin and wood
    (C) Silicone rubber
    (D) Stainless steel

4. In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of
    (A) Stainless steel
    (B) Cast iron
    (C) Lead lined steel
    (D) Rubber lined steel

5. Nickel (56%) and molybdenum (17%) alloys are called
    (A) Monel
    (B) Hastelloy C
    (C) Inconel
    (D) Bronzes

6. Which metal is protected by the layer of its own oxide?
    (A) Iron
    (B) Silver
    (C) Calcium
    (D) Aluminium

7. Carbon percentage is the same in cast iron and
    (A) Wrought iron
    (B) Pig iron
    (C) Mild steel
    (D) High silicon (14%) iron

8. Aluminium as a material of construction suffers from the disadvantage of
    (A) Very high cost
    (B) Rather low tensile strength
    (C) Very low strength to weight ratio
    (D) Scarce availability

9. Babbitt metals used for making bearings are
    (A) Tin or lead based alloys
    (B) Short of anti-frictional properties
    (C) Having homogenous microstructure
    (D) Yellow metals

10. Nickel made/clad equipments are suitable for handling
    (A) Ammonia (both aqueous & anhydrous)
    (B) Fruit juices, milk & its products and caustic soda solution
    (C) Nitric acid & hydrochloric acid (concentrated)
    (D) Sulphuric acid (concentrated)

11. Acetylene gas holder is made of
    (A) Copper
    (B) Cast iron
    (C) Steel
    (D) Monel metal

12. Steel tower used for the storage of oleum
    (A) Is lined with lead
    (B) Need not be lined
    (C) Is lined with rubber
    (D) Is lined with acid-proof bricks

13. Presence of 0.3 to 0.5% arsenic in copper increases its
    (A) Ductility
    (B) Malleability
    (C) Tenacity & hardness
    (D) Electrical conductivity

14. A suitable material of construction to use with fuming sulphuric acid is
    (A) Carbon steel
    (B) Stainless steel type 304
    (C) Nickel
    (D) Monel

15. Photographic plates are coated with
    (A) Silver nitrate
    (B) Silver halide
    (C) Calcium silicate
    (D) Metallic silver

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