1000+ Mechanical Measurements MCQ Questions & Answers - 3

Question: 11

For measuring the temperature of a boiler furnace which one of the following is the approximate thermometer?

(A) resistance thermometer

(B) thermocouple

(C) bimetallic thermometer

(D) optical pyrometer

Question: 12

The pH value of pure water could be

(A) 1

(B) 4

(C) 5

(D) 7

Question: 13

1 watt is the same as

(A) 10³ erg/s

(B) 10⁵ erg/s

(C) 10⁷ erg/s

(D) 10¹⁰ erg/s

Question: 14

The electrical resistance of a wire is

(A) Inversely proportional to resistance and length

(B) Directly proportional to length and diameter

(C) Directly proportional to diameter and inversely proportional to length

(D) Directly proportional to length and inversely proportional to diameter

Question: 15

A piezometer is used to measure

(A) Atmospheric pressures

(B) High pressures

(C) Pressure differential

(D) Very low pressures