INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
1) The three fundamental units of all physical quantities are length, mass, and _________?
a) Pressure
b) Temperature
c) Matter
d) Time - ANSWER-d) Time
2) The meter-kilogram-second (MKS) system and the centimeter-gram-second (CGS) are part of the
English system of measure?
a) True
b)False - ANSWER-b) False
3) How many inches are in one meter?
a) 1.52
b) 12
c) 39.37
d) 40 - ANSWER-c) 39.37
4) When converting the dimensions of a ________, only the radius has a measured dimension that must
be converted?
a) Circle
b) Rectangle
c) Cylinder
d) Box - ANSWER-a) Circle
INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
,INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
5) How many meters are in 9.843 feet?
a) 1
b) 2
c) 3
d) 4 - ANSWER-c) 3
6) What is the most common wet measuring unit in the metric system?
a) Quart
b) Liter
c) Pint
d) Gallon - ANSWER-b) Liter
7) The amount of matter in an object is its _________?
a) Weight
b) Force
c) Mass
d) Pressure - ANSWER-c) Mass
8) The newton can be defined as the amount of force required to accelerate one kilogram at the rate of
one meter per second per second?
a) True
b) False - ANSWER-a) True
INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
,INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
9) Hydrostatic pressure is also referred to as _______ pressure?
a) Base
b) Interior
c) Vessel
d) Head - ANSWER-d) Head
10) The Kelvin scale is sometimes referred to as the _________ scale?
a) Absolute Celcius
b) Rankine
c) Fahrenheit
d) Degrees Centigrade - ANSWER-a) Absolute Celsius
11) 110C is equal to __________?
a) 110 F
b) 210 F
c) 230 F
d) 250 F - ANSWER-c) 230 F
12) A fluid flowing in a pipe exerts pressure in two different directions, against both the walls of the pipe
and the direction of flow.
a) True
b) False - ANSWER-a) True
INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
, INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
13) Mass flow rates can be calculated or computed easily by determining or sensing temperature and /
or _______.
a) Velocity
b) Pressure
c) Volume
d) Density - ANSWER-b) Pressure
14) What is the square root of 144?
a) 12
b) 13
c) 14
d) 15 - ANSWER-a) 12
15) __________ conversion involves changing from one unit of measurement to another, always with
regards to the same physical quantity.
a) Polarity
b) Temperature
c) Unit
d) Volume - ANSWER-c) Unit
16) For a number that does not contain a decimal point, the left-most non-zero digit is the MSD and the
right-most non-zero digit is the LSD.
a) True
INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
CORRECT ANSWERS 2025
1) The three fundamental units of all physical quantities are length, mass, and _________?
a) Pressure
b) Temperature
c) Matter
d) Time - ANSWER-d) Time
2) The meter-kilogram-second (MKS) system and the centimeter-gram-second (CGS) are part of the
English system of measure?
a) True
b)False - ANSWER-b) False
3) How many inches are in one meter?
a) 1.52
b) 12
c) 39.37
d) 40 - ANSWER-c) 39.37
4) When converting the dimensions of a ________, only the radius has a measured dimension that must
be converted?
a) Circle
b) Rectangle
c) Cylinder
d) Box - ANSWER-a) Circle
INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
,INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
5) How many meters are in 9.843 feet?
a) 1
b) 2
c) 3
d) 4 - ANSWER-c) 3
6) What is the most common wet measuring unit in the metric system?
a) Quart
b) Liter
c) Pint
d) Gallon - ANSWER-b) Liter
7) The amount of matter in an object is its _________?
a) Weight
b) Force
c) Mass
d) Pressure - ANSWER-c) Mass
8) The newton can be defined as the amount of force required to accelerate one kilogram at the rate of
one meter per second per second?
a) True
b) False - ANSWER-a) True
INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
,INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
9) Hydrostatic pressure is also referred to as _______ pressure?
a) Base
b) Interior
c) Vessel
d) Head - ANSWER-d) Head
10) The Kelvin scale is sometimes referred to as the _________ scale?
a) Absolute Celcius
b) Rankine
c) Fahrenheit
d) Degrees Centigrade - ANSWER-a) Absolute Celsius
11) 110C is equal to __________?
a) 110 F
b) 210 F
c) 230 F
d) 250 F - ANSWER-c) 230 F
12) A fluid flowing in a pipe exerts pressure in two different directions, against both the walls of the pipe
and the direction of flow.
a) True
b) False - ANSWER-a) True
INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
, INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
13) Mass flow rates can be calculated or computed easily by determining or sensing temperature and /
or _______.
a) Velocity
b) Pressure
c) Volume
d) Density - ANSWER-b) Pressure
14) What is the square root of 144?
a) 12
b) 13
c) 14
d) 15 - ANSWER-a) 12
15) __________ conversion involves changing from one unit of measurement to another, always with
regards to the same physical quantity.
a) Polarity
b) Temperature
c) Unit
d) Volume - ANSWER-c) Unit
16) For a number that does not contain a decimal point, the left-most non-zero digit is the MSD and the
right-most non-zero digit is the LSD.
a) True
INSTRUMENTATION NCCER QUESTIONS WITH
CORRECT ANSWERS 2025
