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Dimensional Analysis Online Exam Quiz

Important questions about Dimensional Analysis. Dimensional Analysis MCQ questions with answers. Dimensional Analysis exam questions and answers for students and interviews.

What is the dimension of heat?

Options

A : a. M L T¯²

B : b. M L² T¯²

C : c. M L² T¯¹

D : d. M L² T

What is the dimension of dynamic viscosity?

Options

A : a. M L¯¹ T¯¹

B : b. L¯¹ T¯¹

C : c. M L¯² T¯¹

D : d. M L¯¹ T¯²

What is the dimension of kinematic viscosity?

Options

A : a. M L²T¯²

B : b. L²T¯²

C : c. L²T -1

D : d. M L²T -1

What is the dimension of energy?

Options

A : a. M L² T¯²

B : b. M L² T¯¹

C : c. M L¹ T¯²

D : d. M L T¯²

What is the dimension of force?

Options

A : a. M L T¯¹

B : b. L T¯²

C : c. M T¯²

D : d. M L T¯²

What is the dimension of density?

Options

A : a. M L¯³ T

B : b. M L¯³

C : c. M L¯³ T²

D : d. M L ¯²

What is the dimension of acceleration?

Options

A : a. M L T¯²

B : b. L T¯?

C : c. M L T¯¹

D : d. L T¯²

What is the dimension of specific heat?

Options

A : a. L T¯¹ ?¯¹

B : b. M L T¯¹ ?¯¹

C : c. L T¯² ?¯¹

D : d. M L T¯² ?¯¹

What is the dimension of thermal conductivity?

Options

A : a. M L T¯³ ?¯¹

B : b. M L T¯³

C : c. M L T¯² ?¯¹

D : d. M L T¯³ ?¯²

What is the dimension of gravity?

Options

A : a. M L T¯²

B : b. L T¯²

C : c. M L T¯¹

D : d. L T¯?

How is dimensional homogeneity related with fundamental units of measurements?

Options

A : a. Independent

B : b. Dependent

C : c. Dependent but can vary

D : d. Twice

What is the time period of oscillation of a simple pendulum of length L and mass m?

Options

A : a. 2 ? (L/g)^3/2

B : b. 2 ? (L/g)

C : c. 2 ? (L/g)^2

D : d. 2 ? (L/g)^1/2

The principle of dimensional homogeneity serves the following useful concepts (i) It helps to check whether an equation of any physical phenomenon is dimensionally homogenous or not (ii) It helps to determine the dimensions of a physical quantity (iii) It helps to convert the units from one system to another Identify the correct statements

Options

A : a. 1 and 2

B : b. 2 and 3

C : c. 1, 2 and 3

D : d. 2 only

The equation of friction loss in a pipe of length l and diameter d through which fluid flows with velocity v is

Options

A : a. h i = 4 f V²/d g

B : b. h i = 4 f V²/d 2 g

C : c. h i = 4 f V²/d 2 g

D : d. h i = 4 f V²/2 g

Bernoulli’s equation for fluid flow along a stream line is given as

Options

A : a. p/w + V²/2 g + y = 2

B : b. p/w + V/2 g + y = constant

C : c. p/w + V²/2 g + y = 1

D : d. p/w + V²/2 g + y = constant

The convective film coefficient in k cal/m² hr degree can be converted to J/m² s degree by multiplying it with a factor

Options

A : a. 1.1627

B : b. 1.1527

C : c. 1.1427

D : d. 1.1327

The pressure in kg/cm² can be converted to N/m² by multiplying it with a factor

Options

A : a. 9.807 * 10²

B : b. 9.807 * 10³

C : c. 9.807 * 10?

D : d. 9.807 * 10?

How many Newton’s are there in one kg?

Options

A : a. 9.507

B : b. 9.607

C : c. 9.707

D : d. 9.807

How many Joule are there in 1 k cal?

Options

A : a. 3186

B : b. 4186

C : c. 5186

D : d. 6186

How many fundamental quantities are there?

Options

A : a. 1

B : b. 2

C : c. 3

D : d. 4

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