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Home » Engineering » Aptitude Test - 84
Hassan
1.Tea pots are highly polished
A. So that they may not conduct heat from outside
B. So that they may absorb all radiation from outside
C. To make them attractive to look at
D. So that they may not conduct heat from outside
2. A perfect black body is the one which
A. Absorbs all incident radiation
B. Reflects all incident radiation
C. Absorbs most of the incident radiation
D. Absorbs all incident radiation
3. What whould be shape of an ideal thermometer?
A. Spherical
B. Cylindrical
C. Cubical
D. Spherical
4.What is the unit for measuring the amplitude of a sound?
A. Decibel
B. Coulomb
C. Hum
D. Decibel
5.One nanometer is equal to
A. 10-6 m
B. 10-8 m
C. 10-9 m
D. 10-6 m
6.One fathom is equal to
A. 6 feet
B. 6 meters
C. 60 feet
D. 6 feet
7. Light year is a measurement of
A. Speed of aeroplanes
B. Speed of light
C. Stellar distances
D. Speed of aeroplanes
8.One kilometer is equal to how many miles?
A. 0.84
B. 0.5
C. 1.6
D. 0.84
9.Bar' is the unit of
A. Temperature
B. Heat
C. Atmospheric pressure
D. Temperature
10. Nautical mile is a unit of distance used in
A. Navigation
B. Road mile
C. Astronomy
D. Navigation
11.Which of the following statements are true for dimensional analysis?
A. (1), (2) and (3)
B. (2), (3) and (4)
C. (1), (3) and (4)
D. (1), (2) and (3)
12. The unit of physical quantity which does not depend on the unit of any other physical quantity is called as
A. independent dimension
B. fundamental dimension
C. core dimension
D. independent dimension
13.Which of the following is not a primary quantity?
A. Mass (M)
B. Temperature (θ)
C. Time (T)
D. Mass (M)
14. What are the dimensions of force?
A. [M L T – 2 ]
B. [M L T – 1 ]
C. [M L 2 T – 2 ]
D. [M L T – 2 ]
15. Which of the following quantities has the dimensions [M0 L0 T 0]
A. Density
B. Stress
C. Strain
D. Density
16. Match the following physical quantities in Group 1 with their dimensions in Group 2.
A. 1-(C), 2-(A), 3-(D), 4-(E), 5-(B)
B. 1-(A), 2-(C), 3-(D), 4-(E), 5-(B)
C. 1-(C), 2-(A), 3-(E), 4-(B), 5-(D)
D. 1-(C), 2-(A), 3-(D), 4-(E), 5-(B)
17. Which of the following equations is not dimensionally homogeneous? Consider standard symbols for quantities.
A. (Force) F = m x a
B. (Head Loss due to friction) hf = (f L V2) / (2 g d)
C. (Torque) T = F x Distance
D. (Force) F = m x a
18. Which of the following is a dimensionless equation?
A. Reynold's equation
B. Euler's equation
C. Weber's equation
D. Reynold's equation
19. Which of the following number is applicable in open hydraulic structure such as spillways, where gravitational force is predominant?
A. Reynold's Number
B. Euler's Number
C. Weber's Number
D. Reynold's Number
20. Square root of the ratio of inertia force to elastic force is called as
A. Mach's Number
B. Cauchy's Number
C. Both (a) and (b)
D. Mach's Number
21. Substances which larger masses are usually measured in
A. kilograms
B. grams
C. tones
D. kilograms
22.An instrument which gives a level of high accuracy than mechanical watch is
A. electronic stopwatch
B. stop clock
C. pendulum clock
D. electronic stopwatch
23.In SI system the unit of area is
A. meter
B. square
C. meter square
D. meter
24.Which one is not a branch of physical sciences?
A. Chemistry
B. Astronomy
C. Geology
D. Chemistry
25.The dimension of energy density is the same as that of?
A. Pressure
B. Force
C. (Velocity)2
D. Pressure
26.Which property of a solid object cannot be changed by the application of force?
A. Length
B. Mass
C. Area
D. Length
27. For what physical quantity is the pascal a unit?
A. Stress
B. Pressure
C. Young’s modulus
D. Stress
28. In scientific notation, numbers are expressed in?
A. Power of ten
B. Powers of two
C. Reciprocal
D. Power of ten
29.1024 can be written in scientific notation as?
A. 1.024 x 103
B. 210
C. 0.000976
D. 1.024 x 103
30. The error in measurement may occur due to?
A. Inexperience of a person
B. The faulty apparatus
C. Inappropriate method
D. Inexperience of a person
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