2023-2024 Iti Workshop calculation and science MCQ [Latest]

2024 Iti Workshop Calculation and Science MCQ for exam

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ITI workshop calculation and science is important subject for iti student because it provides basic scientific and mathematical principles, student will be able to understand design and operation of  machines, troubleshoot problems and make informed decisions.

Topic of workshop calculation and science iti

• System of units, factors, and fractions

• Square root, ratio, and proportion, percentage

• Material science

• Mass, weight, and density

• Speed and velocity, work, power and energy

• Heat and temperature, pressure

• Basic electricity

• Mensuration

• Levers and simple machines

wcs iti

1) What are fundamental units?

a) Length, Mass, Volume

b) Length, Mass, Time 

c) Length, Mass, Area 

d) Length, Pressure, Volume 

2) What denotes letter M in MKS system?

a) Mile 

b) Meter 

c) Millimeter

d) Micron

3) What is the product of 0.003 x 0.5? 

a) 0.00015

b) 0.0015

c) 0.015

d) 0.15 

4) Convert 0.456 decimal fraction into percentage? 

a) 45.6%

b) 0.0456

c) 0.456%

d) 0.0456% 

05- Which metal contains iron as a major content?

a) Brass metal 

b) Bronze metal

c) Zinc

d) Ferrous metal

06- Which mechanical property of a metal offers resistance to elasticated formation in a cutting tool?

a) Ductility 

b) Malleability 

c) Hardness

d) Toughness

07- Which alloy steel is using for make precious 

instrument? 

a) Silicon steel 

b) Manganese steel 

c) Invar steel

d) Vanadium 

8. What is called mass per unit volume of a substances?

a) Mass

b) Weight 

c) Density 

d) Volume 

09- What is called if a body posses only magnitude or size alone?

a) Speed 

b) Velocity

c) Vector quantity 

d) Scalar quantity 

10- What is the value for specific heat of water? 

a) 4

b) 3

c) 2

d) 1 

11- What is the boiling point of water in Fahrenheit scale?

a) 212°F

b) 180°F

c) 112°F

d) 100°F

12- Calculate the amount of heat required to raise the 

temperature of 85.5 gm of sand from 20°C to 35°C specific 

heat of sand = 0.1.

a) 128.25 Joules 

b) 125.28 Joules 

c) 128.26 Joules

d) 126.28 Joules 

13- which is the unit of current?

a) Ampere 

b) Volt 

c) Ohm 

d) Watt 

14- Which is very good conductor? 

a) Copper

b) Cast iron

c) Wrought iron 

d) Steel 

15- What is the resistance of an electric iron if the rating of electric iron is 220 Volt 500 watts? 

a) 94.8 ohms 

b) 95.8 ohms 

c) 96.8 ohms 

d) 97.8 ohms 

16- What is the side of a square whose area is 625 mm²? 

a) 15 mm

b) 20 mm

c) 25 mm

d) 30 mm

17) What is the perimeter of scalene. Triangle having sides 

of 40 mm, 20 mm and 28 mm?

a) 68 mm

b) 78 mm

c) 88 mm

d) 98 mm

Right Answer is : C

18- What is the name of fixed or supporting point of a 

lever? 

a) Mechanical advantage 

b) Fulcrum 

c) Effort 

d) Load 

Right Answer is : B.

19- Which is example for first order lever? 

a) A wheel barrow 

b) A pair of scissors 

c) Fire tongs 

d) Lime squeezer 

Right Answer is : B.

20- What is the value of θ if sin θ = √3/2? 

a) 30°

b) 45°

c) 60°

d) 90°

Right Answer is : C.

21- What is the formula for speed? 

a) Distance covered/Time 

b) Change in velocity/Time 

c) Distance in definite direction /Time 

d) Change in momentum/Time 

22- How many watts for 1 horse power in metric system? 

a) 725.5 watts 

b) 735.5 watts 

c) 745.5 watts 

d) 755.5 watts 

23) What is the work done, if a force of 250 newtons acted upon a body and the body has been moved through a distance of 15 meters? 

a) 3720 Joules 

b) 3730 Joules 

c) 3740 Joules 

d) 3750 Joules 

24)What is the quantity of heat required to raise the temperature of 1 gram of water through 1°C is called?

a) Joule 

b) Calorie 

c) British thermal unit 

d) Centigrade heat unit 

25) Which instrument is used to measure heat? 

a) Calorie meter

b) Thermometer 

c) Pyrometer

d) Barometer 

26) What is the co-efficient of linear expansion of a rod if it is found to be 100 m long at 20°C and 100.14 m long at 100°C?

a) 1.75 x 10⁻⁴ / °C

b) 1.75 x 10⁻⁵ / °C

c) 1.75 x 10⁻⁶ / °C

d) 1.75 x 10⁻⁷ / °C

27- What is the area of a square whose side is 18 cm? 

a) 26 cm²

b) 36 cm²

c) 72 cm²

d) 324 cm²

28- What is the LCM of 12, 18, 6, 36? 

a) 12

b) 18

c) 36

d) 42

Right Answer is : C

29- Which is equal to sinθ? 

a) Opposite side / Hypotenuse 

b) Hypotenuse / Opposite side 

c) Adjacent side / Hypotenuse 

d) Hypotenuse / Adjacent side

Right Answer is : A.

30- What is the square root of 529?

a) 13

b) 23

c) 33

d) 43

Right Answer is : B

31- Which one is non-metal? 

a) Mercury

b) Graphite 

c) Brass 

d) Iron 

Right Answer is : B.

32- Which metal is widely used for making casting of 

machinery parts?

a) Grey cast iron 

b) White cast iron 

c) Malleable cast iron 

d) Wrought iron 

Right Answer is : A

33) Which steel is used for making files and cold chisel? 

a) Low carbon steel 

b) Medium carbon steel 

c) High carbon steel 

d) Stainless steel 

Right Answer is : C.

34) What is the specific gravity of the solid, if density of the 

solid is 19.5 g/cm³? 

a) 18

b) 18.5

c) 19

d) 19.5

Right Answer is : D.

35- What is the formula for induced emf?

a) B²L sin θ volts

b) BL sin θ volts

c) BLV sin θ volts

d) B²V sin θ volts

Right Answer is : C.

36- What is the power required? I = 0.455 Amps R = 484 

Ohms P = _____Watts 

 

a) 98.2 watts 

b) 99.2 watts 

c) 100.2 watts 

d) 101.2 watts 

37- What is the ratio of mechanical advantage to the velocity ratio of a simple machine? 

a) Load 

b) Effort 

c) Efficiency

d) Power 

38- What is the definition of ratio? 

a) Relation of two quantities of the same kind 

b) Relation of two quantities of the different kind 

c) Equality between two ratios 

d) Inequality between two ratios 

Right Answer is : A.

39- What will be the rpm of smaller gear if a 180 mm dia meshes with 60 mmdia gear and the bigger gear makes 60 rpm?

a) 120 rpm

b) 140 rpm

c) 160 rpm

d) 180 rpm 

40- Convert - 273°C (Centigrade) into kelvin scale. 

a) 0°K

b) 1°K

c) 2°K

d) 3°K 

41- What is the velocity ratio of a wheel and axle if the radii of wheel and axle are 375 mm and 75 mm respectively? 

a) 3

b) 4

c) 5

d) 6 Right Answer is : C.

42- What is the unit of speed?

a) Meter/second 

b) Meter/second² 

c) Meter/minute 

d) Meter/hour 

Right Answer is : A

43- What is the boiling point of aluminium? 

a) 1897°C

b) 2519°C

c) 2469°C

d) 660°C 

44- What is the S.I unit of heat? 

a) Calorie

b) Joule 

c) Centigrade heat unit 

d) British thermal unit 

Right Answer is : B.

45- Which alloy steel is used to make permanent magnets? 

a) Silicon steel 

b) Manganese steel

c) Vanadium steel 

d) Cobalt steel 

Right Answer is : D.

46- What is the ratio between the distance moved by the 

effort to the distance moved by the load? 

a) Mechanical advantage

b) Velocity ratio 

c) Efficiency 

d) Fulcrum 

Right Answer is : B

47- What is the value for specific heat of water? 

a) 4

b) 3

c) 2

d) 1 

48- Which is very good conductor? 

a) Copper 

b) Cast iron

c) Wrought iron

d) Steel 

Right Answer is : A

49- Which is equal to sinθ? 

a) Opposite side / Hypotenuse 

b) Hypotenuse / Opposite side

c) Adjacent side / Hypotenuse

d) Hypotenuse / Adjacent side 

Right Answer is : A

50- Which steel is used for making files and cold chisel? 

a) Low carbon steel 

b) Medium carbon steel 

c) High carbon steel 

d) Stainless steel 

Right Answer is : C

Next Questions

Conclusion: Workshop calculation and science is a challenging but rewarding subject. Workshop calculation and science helps for doing a sum in less time. Workshop Calculation and Science saves us time. Some of the career options in workshop calculation and science are:

• Engineer

• Technician

• Installer

• Repairer

• production worker

• Safety officer

• Quality control inspector

• Maintenance worker

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