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WorksheetsMechanical Engineering_Part01
Total questions: 25
Worksheet time: 50mins
Engineering materials can be divided into ...
ferrous and non-ferrous
iron and steel
metal and non-metal
cooper and concrete
Machine parts done by the process ...
drawing
casting
extrusion
forging
Mechanical drives are used to
transmit motion and power.
transmit motion only.
transmit power only.
run the machine only.
The gear assembly which is used to convert rotary to linear motion is the
bevel gear drive.
rack and pinion.
worm and worm wheel.
spur gear drive
Identify the gear drive in the picture.
Spur gear.
Bevel gear drive.
Worm and worm wheel.
Rack and pinion.
What is the gear ratio of the gear assembly shown?
1:1
1.5:1
2:1
2.5:1
Calculate the amount of work done if you use a 100N force to push a 50 kg box 5 m across the kitchen floor.
250 J
500 J
5,000 J
What is the unit used to measure Power?
Newton
Meters
Joule
Watt
The place where casting work is done
Casting shop
Melting shop
Foundry shop
Method of joining similar or dissimilar metals by means of a filler material whose melting temperature is above 450˚C
Soldering
Brazing
Welding
Which of the following is an alloy of Iron and Carbon?
Steel
Brass
Bronze
Solder
The Product of Blast Furnace is
Pig Iron
Coke
Lime Stone
Which prime mover is used to convert Hydraulic Energy -------> Mechanical Energy .
PUMP
WATER TURBINE
STEAM TURBINE
BOILER
Which of the following is an IMPULSE turbine.
Francis turbine
Kaplan turbine
Pelton wheel turbine
Propeller turbine
In water turbine ,SHAFT POWER / BRAKE POWER or SP/BP = .....................
mechanical efficiency
overall efficiency
thermal efficiency
volumetric efficiency
Which of the following turbine has "Radial flow" .
francis turbine
kaplan turbine
pelton wheel turbine
propeller turbine
The PUMP is used to convert .........................
Hy. E-------> M.E
M.E-------> Hy.E
T.E-------> M.E
Hy. E-------> T.E
Which mechanical system is called the "Heart of Hydraulic System".
Turbine
Pump
boiler
filter
Which of the following is an example of Positive displacement Pump.
Centrifugal pump
Axial flow pump
Propeller pump
Reciproacting pump
The ratio of Volume to Mass , is called .....................
density
specific weight
specific volume
specific gravity
The specific gravity of WATER is ........................
0
1.5
1
2
Reynolds number > 4000 , this type of flow is called ..............
Turbulant flow
Laminar flow
Steady flow
Uniform flow
A ………………. Converts the reciprocating motion of piston into the rotary motion.
crankshaft
cam
driveshaft
piston
