Water is a highly effective coolant for a car engine because _________...? Mcqs

Latest MCQs

Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat
(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces lot of cooling

Latest MCQs

How many moons does Saturn have...?

(A) 7
(B) 13

(C) 79
(D) 82

Latest MCQs

Velocity of sound in air does not change with the change of...?

(A) Temperature of air
(B) Pressure of air

(C) Moisture content in air
(D) Wind in the direction of propagation of sound

Latest MCQs

Which of the following statements is incorrect about Cycas...?

(A) Cycas plants are gymnosperms.
(B) Cycas leaves are pinnately compound.

(C) Cycas have vessel elements in their xylem.
(D) Cycas produce seeds but do not form flowers.

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The condition when the resistance of a circuit is zero is known as...?

(A) Closed-circuit
(B) Short circuit

(C) Open circuit
(D) Zero circuit

Latest MCQs

The coolest stars are the red stars and their temperature is around ____...?

(A) 2000°C
(B) 3000°C

(C) 4000°C
(D) 5000°C

Latest MCQs

The lens used in a simple microscope is____________...?

(A) Concave
(B) Convex

(C) Cylindrical
(D) None

Latest MCQs

Drugs for treatment of rheumatoid arthritis can be obtained from ______...?

(A) Animals
(B) Minerals

(C) Plants
(D) Micro organisms

Latest MCQs

Speed of sound in air is _______km/h...?

(A) 1347
(B) 243

(C) 1235
(D) 1495

Latest MCQs

A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to __________...?

(A) Remain unaffected
(B) Fall away from the train

(C) Fall towards the train
(D) Fall away from or towards the train depending upon the speed

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