1000+ Gate Mechanical Engineering Question Papers with Solutions - 1

Question: 1

Presence of impurities in ice

(A) makes it heavier than water

(B) raise melting point

(C) does not have any effect

(D) lowers melting point

Question: 2

Dehydration means

(A) removing hydrides from any matter

(B) removing water from any matter

(C) removing hydrogen from a hydrocarbon

(D) removing hydrogen from a mixture

Question: 3

Tidal power is the power generated from

(A) raw sea water

(B) thermal energy of ocean water

(C) rise and fall tides

(D) waves of the ocean

Question: 4

The apparatus used for the determination of calorific value of solid fuel is

(A) photo calorimeter

(B) releigh apparatus

(C) bomb calorimeter

(D) osrat's apparatus

Question: 5

An optical pyrometer works on the principle of

(A) monochromatic radiation

(B) thermoelectric effect

(C) change of electrical resistance

(D) expansion of fluids