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- Question
A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.
Options- A. thickener
- B. classifier
- C. strainer
- D. clarifier
- Correct Answer
- strainer
- 1. Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger.
Options- A. The corrosive and fouling fluid should be preferably routed through the tubes.
- B. The viscous fluid should be routed through the shell side.
- C. Lower flow rate fluid should be routed through the shell side.
- D. Higher pressure fluid stream should be routed through the shell side. Discuss
- 2. Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm3 /ton of dry coal.
Options- A. 60
- B. 160
- C. 500
- D. 750 Discuss
- 3. Safety valves are provided in chemical equipments to guard against excessive
Options- A. temperature
- B. pressure/pressure fluctuation
- C. turbulence
- D. noise Discuss
- 4. For a reaction of the type,
, the rate of reaction (- rx) is given by
Options- A. (K1+K1)CX
- B. (K1+K2+K3)CX
- C. K1CV - K2CX
- D. (K1-K2)CX Discuss
- 5. Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material?
Options- A. aluminium phosphate
- B. water
- C. lime
- D. plaster of paris Discuss
- 6. __________ have the same mass number, but different nuclear charge.
Options- A. Isotopes
- B. Isobars
- C. Isotones
- D. none of these Discuss
- 7. Fusion point of an acidic refractory material is
Options- A. increased by the addition of basic oxides.
- B. reduced by the addition of basic oxides.
- C. not affected by the addition of basic oxides.
- D. always more than 2500°C. Discuss
- 8. Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.
Options- A. plane
- B. curved
- C. ribbed
- D. either (a) or (b) Discuss
- 9. With increase in the temperature of pure (distilled) water, its
Options- A. pOH decreases and pH increases.
- B. pOH and pH both 4ecreases.
- C. pH and pOH both increases.
- D. pH decreases and pOH increases. Discuss
- 10. Fresh sewage is __________ in nature.
Options- A. acidic
- B. neutral
- C. alkaline
- D. highly acidic Discuss
More questions
Correct Answer: Higher pressure fluid stream should be routed through the shell side.
Correct Answer: 160
Correct Answer: pressure/pressure fluctuation
Correct Answer: K1CV - K2CX
Correct Answer: water
Correct Answer: Isobars
Correct Answer: reduced by the addition of basic oxides.
Correct Answer: ribbed
Correct Answer: pOH and pH both 4ecreases.
Correct Answer: alkaline
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