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Home » Engineering » Aptitude Test - 30
Hassan
1.What is the dimension of density?
A. M L -2
B. M T -3 L 2
C. M L -3
D. M L -2
2.What is the dimension of acceleration?
A. L T -2
B. M L T -1
C. L T -4
D. L T -2
3.What is the dimension of specific heat?
A. M L T -2 α -1
B. L T -2 α -1
C. M L T -1 α -1
D. M L T -2 α -1
4.What is the dimension of thermal conductivity?
A. M L T -3 α -2
B. M L T -2 α -1
C. M L T -3
D. M L T -3 α -2
5.What is the dimension of gravity?
A. L T -4
B. M L T -1
C. L T -2
D. L T -4
6.How is dimensional homogeneity related with fundamental units of measurements?
A. Twice
B. Dependent but can vary
C. Dependent
D. Twice
7.What is the time period of oscillation of a simple pendulum of length L and mass m?
A. 2 π (L/g) 1/2
B. 2 π (L/g) 2
C. 2 π (L/g)
D. 2 π (L/g) 1/2
8.The equation of friction loss in a pipe of length l and diameter d through which fluid flows with velocity v is?
A. h i = 4 f V 2/d 4 g
B. h i = 4 f V 2/ 2 g
C. h i = 4 f V 2/d 2 g
D. h i = 4 f V 2/d 4 g
9.Bernoulli’s equation for fluid flow along a stream line is given as?
A. p/w + V 2/2 g + y = constant
B. p/w + V 2/2 g + y = 1
C. p/w + V/2 g + y = constant
D. p/w + V 2/2 g + y = constant
10.The convective film coefficient in k cal/m2 hr degree can be converted to J/m2 s degree by multiplying it with a factor?
A. 1.1327
B. 1.1427
C. 1.1527
D. 1.1327
11.The pressure in kg/cm2 can be converted to N/m2 by multiplying it with a factor?
A. 9.807 * 10 5
B. 9.807 * 10 4
C. 9.807 * 10 3
D. 9.807 * 10 5
12.How many Newton’s are there in one kg?
A. 9.807
B. 9.707
C. 9.607
D. 9.807
13.How many Joule are there in 1 k cal?
A. 6186
B. 5186
C. 4186
D. 6186
14.How many fundamental quantities are there?
A. 1
B. 2
C. 3
D. 1
15.What is the dimension of coefficient of volumetric expansion?
A. α -1
B. α -2
C. α 1
D. α -1
16.What is the dimension of convective film coefficient?
A. M T -1 α -1
B. M T -2 α -1
C. M T -3 α -2
D. M T -1 α -1
17.What is the dimension of velocity?
A. L T
B. L T -1
C. L T -3
D. L T
18.What is the dimension of area?
A. L 3
B. L 1
C. L 2
D. L 3
19.What is the dimension of volume?
A. L 3
B. L
C. M L 3
D. L 3
20.What is the dimension of work?
A. M L 1 T -2
B. M L 2 T
C. M L 2 T -1
D. M L 1 T -2
21.What is the dimension of temperature?
A. M α
B. α
C. α 2
D. M α
22.What is the dimension of mass?
A. M L T
B. L
C. M L
D. M L T
23.What is the dimension of length?
A. M L
B. L
C. M
D. M L
24.What is the dimension of time?
A. M L
B. M
C. T
D. M L
25.Which of the following is not known as a core group?
A. Flow characteristics
B. Fluid property
C. Geometric property
D. Flow characteristics
26.What is the dimension of resistance?
A. M L T -1
B. M L T -2
C. M L T
D. M L T -1
27.If there are 6 physical quantities and 3 fundamental units, then the number of pi terms are?
A. 1
B. 2
C. 3
D. 1
28.The study of predicting prototype conditions from model observations is known as?
A. Model
B. Prototype
C. Similitude
D. Model
29.S.I unit of heat is?
A. J
B. W
C. J s
D. J
30.S.I unit of the coefficient of volumetric expansion is?
A. Per degree
B. Per second
C. Per meter
D. Per degree
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