1|Page
DC BOILER EXAM LATEST WITH ACTUAL
QUESTIONS AND CORRECT VERIFIED
ANSWERS/100% GUARANTEED TO PASS
CONCEPTS/ALREADY GRADED A+ /BRAND
NEW!!!
Area of a rectangle - .....ANSWER ...✔✔ Length x
Width
Area of a Circle - .....ANSWER ...✔✔ .7854 x
Diameter²
Volume of a Box - .....ANSWER ...✔✔ Length x Width
x Height
Volume of a Cylinder - .....ANSWER ...✔✔ .7854 x
Diameter² x Length
Circumference of a Circle - .....ANSWER ...✔✔ π x
Diameter
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Unit of Force - .....ANSWER ...✔✔ Pound (lb)
Formula for Force - .....ANSWER ...✔✔ Pressure ÷
Area
Unit of Work - .....ANSWER ...✔✔ in-lb or ft-lb
Formula for Work - .....ANSWER ...✔✔ Force x
Distance
Unit of Power - .....ANSWER ...✔✔ ft-lb/min
Formula for Power - .....ANSWER ...✔✔ = Work ÷
Time
or (Force x Distance) ÷ Time
Formula for Mechanical Horsepower - .....ANSWER
...✔✔ = Power ÷ 33,000 ft-lb/min
Fahrenheit to Celsius - .....ANSWER ...✔✔ °C = (°F -
32) ÷ 1.8
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Celsius to Fahrenheit - .....ANSWER ...✔✔ °F = (1.8 x
°C) - 32
Fahrenheit to Rankine - .....ANSWER ...✔✔ °R = °F +
460
Celsius to Kelvin - .....ANSWER ...✔✔ K = °C
+273.15
Charles' First Law - .....ANSWER ...✔✔ Volume1 /
Pressure1 = Volume2 / Pressure2
Charles' Second Law - .....ANSWER ...✔✔ Pressure1 /
Temperature1 = Pressure2 / Temperature2
Boyle's Law - .....ANSWER ...✔✔ Pressure1 x
Volume1 = Pressure2 x Volume2
General Gas Law - .....ANSWER ...✔✔ (Pres1 x
Vol1)/ Temp1 = (Pres2 x Vol2)/Temp2
Formula for Levers - .....ANSWER ...✔✔ Resistance x
DistanceR = Effort x DistanceE
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Formula for Inclined Planes - .....ANSWER ...✔✔ Force
x Length = Resistance x Height
Formula for Wheel & Axel - .....ANSWER ...✔✔ Force
x DistanceF = Resistance x DistanceR
Torque - .....ANSWER ...✔✔ Force x Radius
Safe Working Pressure of a Riveted Boiler (SWP) -
.....ANSWER ...✔✔ (Area of Staybolt x Stress
Constant of Staybolt) ÷ Area Covered by Staybolt or =
(a x C) ÷ A
Area Covered by Staybolt - .....ANSWER ...✔✔ =
Pitch x Pitch
Longitudinal Stress - .....ANSWER ...✔✔ (P x D x L) /
2t
P = Pressure
D = Diameter
L = Length
t = thickness of steel
DC BOILER EXAM LATEST WITH ACTUAL
QUESTIONS AND CORRECT VERIFIED
ANSWERS/100% GUARANTEED TO PASS
CONCEPTS/ALREADY GRADED A+ /BRAND
NEW!!!
Area of a rectangle - .....ANSWER ...✔✔ Length x
Width
Area of a Circle - .....ANSWER ...✔✔ .7854 x
Diameter²
Volume of a Box - .....ANSWER ...✔✔ Length x Width
x Height
Volume of a Cylinder - .....ANSWER ...✔✔ .7854 x
Diameter² x Length
Circumference of a Circle - .....ANSWER ...✔✔ π x
Diameter
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Unit of Force - .....ANSWER ...✔✔ Pound (lb)
Formula for Force - .....ANSWER ...✔✔ Pressure ÷
Area
Unit of Work - .....ANSWER ...✔✔ in-lb or ft-lb
Formula for Work - .....ANSWER ...✔✔ Force x
Distance
Unit of Power - .....ANSWER ...✔✔ ft-lb/min
Formula for Power - .....ANSWER ...✔✔ = Work ÷
Time
or (Force x Distance) ÷ Time
Formula for Mechanical Horsepower - .....ANSWER
...✔✔ = Power ÷ 33,000 ft-lb/min
Fahrenheit to Celsius - .....ANSWER ...✔✔ °C = (°F -
32) ÷ 1.8
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Celsius to Fahrenheit - .....ANSWER ...✔✔ °F = (1.8 x
°C) - 32
Fahrenheit to Rankine - .....ANSWER ...✔✔ °R = °F +
460
Celsius to Kelvin - .....ANSWER ...✔✔ K = °C
+273.15
Charles' First Law - .....ANSWER ...✔✔ Volume1 /
Pressure1 = Volume2 / Pressure2
Charles' Second Law - .....ANSWER ...✔✔ Pressure1 /
Temperature1 = Pressure2 / Temperature2
Boyle's Law - .....ANSWER ...✔✔ Pressure1 x
Volume1 = Pressure2 x Volume2
General Gas Law - .....ANSWER ...✔✔ (Pres1 x
Vol1)/ Temp1 = (Pres2 x Vol2)/Temp2
Formula for Levers - .....ANSWER ...✔✔ Resistance x
DistanceR = Effort x DistanceE
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Formula for Inclined Planes - .....ANSWER ...✔✔ Force
x Length = Resistance x Height
Formula for Wheel & Axel - .....ANSWER ...✔✔ Force
x DistanceF = Resistance x DistanceR
Torque - .....ANSWER ...✔✔ Force x Radius
Safe Working Pressure of a Riveted Boiler (SWP) -
.....ANSWER ...✔✔ (Area of Staybolt x Stress
Constant of Staybolt) ÷ Area Covered by Staybolt or =
(a x C) ÷ A
Area Covered by Staybolt - .....ANSWER ...✔✔ =
Pitch x Pitch
Longitudinal Stress - .....ANSWER ...✔✔ (P x D x L) /
2t
P = Pressure
D = Diameter
L = Length
t = thickness of steel
