Pressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear reactor is __________ kgf/cm2 . (A) 0.2 (B) 7 (C) 35 (D) 50

Pressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear
reactor is __________ kgf/cm2
.
(A) 0.2
(B) 7
(C) 35
(D) 50
by

1 Answer

Answer :

(B) 7
by

Related questions

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Last Answer : (A) N2

Which is used as a coolant in nuclear reactor due to its high capture cross-section? (A) H2 (B) N2 (C) He (D) CO2

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Operating temperature and pressure in catalytic reforming is about (A) 1-5 Kgf/cm2 & 200°C (B) 15-45 Kgf/cm2 & 450-550°C (C) 50 - 75 kgf/cm2 & 600 - 800°C (D) 5-10 kgf/cm2 & 150 - 250°C

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Last Answer : (B) 15-45 Kgf/cm2 & 450-550°C

__________ gas is normally not used as a coolant in a nuclear reactor, because of its high neutron capture cross-section. (A) Nitrogen (B) Hydrogen (C) Helium (D) Carbon dioxide

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__________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm2 . (A) Centrifugal (B) Piston (C) Plunger (D) Vane

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Operating condition in the electrical dehydrators for crude oil is about (A) 6.5 kgf/Cm2 & 95°C (B) 1 atm. & 110 °C (C) 20 kgf/cm2 & 110°C (D) 50 atm. and 150°C

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Last Answer : (A) 6.5 kgf/Cm2 & 95°C

In a homogeneous nuclear reactor, the __________ are mixed together. (A) Fuel & coolant (B) Fuel & moderator (C) Coolant & moderator (D) None of these

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One barometric pressure or 1 atmospheric pressure is equal to  (a) 1 kgf/cnr2  (b) 1.033 kgf/cm2  (c) 0 kgf/cm2  (d) 1.0197 kgf/cm2  (e) 100 kgf/cm2.

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Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are (A) 5°C and 1 kgf/cm2 (B) - 20°C and 1 kgf/cm2 (C) 0°C and 1 kgf/cm2 (D) 0°C and 3 kgf/cm

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Last Answer : (A) 5°C and 1 kgf/cm

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Last Answer : (A) 50°C and 3 - 4 kg/cm

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Last Answer : (A) 4 kgf/cm2 & 500°C

Normal temperature and pressure (N.T.P.) corresponds to (A) 0°C and 760 mm Hg (B) 15°C and 760 mm Hg (C) 20°C and 760 mm Hg (D) 0°C and 1 kgf/cm2

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Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is (A) 7 kgf/cm2 and 70 °C (B) 1000 kgf/cm2 and 100°C (C) 7 kgf/cm2 and 700°C (D) 1 kgf/cm2 (gage) and 70°C

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Last Answer : (A) 7 kgf/cm2 and 70 °C

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Last Answer : (C) The fuel and the moderator is mixed to form a homogeneous material

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Last Answer : ANSWER: Y -- NEUTRONS MODERATED TO RELATIVELY LOW ENERGIES.

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In nuclear reactor, heavy water is used as (1) coolant (2) fuel (3) moderator (4) atomic smasher

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Last Answer : (C) Is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water

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Last Answer : (D) A mixture of water & steam

Water is a better coolant than a gas (like CO2 , He, N2 etc.), because it (A) Is a better neutron moderator as well (B) Require comparatively smaller pumps and heat exchanger for a given heat transfer rate (C) Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature (D) All (A), (B) and (C)

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Last Answer : (D) All (A), (B) and (C)

In a high-temperature gas-cooled reactor, what gas ma be used for a coolant?

Description : In a high-temperature gas-cooled reactor, what gas ma be used for a coolant?

Last Answer : ANSWER: HELIUM or CARBON DIOXIDE

high pressure boiler generates steam at a pressure greater than __________ kg/cm2. (A) 10 (B) 30 (C) 50 (D) 80

Description : high pressure boiler generates steam at a pressure greater than __________ kg/cm2. (A) 10 (B) 30 (C) 50 (D) 80

Last Answer : Option D

How many of you have an Alexander Calder in their city?

Description : How many of you have an Alexander Calder in their city?

Last Answer : not any in cork.

Nuclear power reactor located at Tarapur is of __________ type. (A) Fast breeder (B) Pressurised water (C) Boiling water (D) Gas cooled

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Last Answer : (C) Boiling water

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Last Answer : (D) All (A), (B) and (C)

A boiling water reactor is the one, in which the (A) Coolant water is allowed to boil in the core of the reactor (B) Coolant water, after being heated in the reactor core, generates steam in a boiler (C) Pressurised water is pumped into the core (D) Fuel and the coolant are thoroughly mixed to form a homogeneous solution

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Molten sodium is used as a coolant in a fast breeder reactor, because of its (A) Excellent moderating properties (B) Neutron breeding capability (C) Faster heat removal capability from the core (D) Capability to increase the reaction rate in the core

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Last Answer : (A) Coolant

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Last Answer : (D) U-235 as fuel