Technical Apti Set No 1

Which of the following admixture is called as water reducers?

• A. Water proofing agents

• B. Plasticizer

• C. Retarders

• D. Accelerators

Which of the following conditions should be satisfied for co- planer concurrent

forces to be in equilibrium?

• AΣ Fx = Σ Fy = 0

• ΒΣΜ = 0

• C Both a, and b.

• D None of the above

The separation of the constituent materials of concrete is known as

• A. Laitance

• B. Segregation

• C. Vibration

• D. Honeycombing

Which of the following structural loads are not applied commonly to a building?

• A Environmental load

• B Live load

• C Dead load

• D Rain load

Which of these is NOT used to conduct tests in order to determine the

compressive strength?

• A. Sphere

• B. Cube

• C. Cylinder

• D. Prism

Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is

• A. 2

• B. 3

• C. 6

• D. 8

Assertion: The flow of fluid is said to be steady if at any given point, the velocity of each passing fluid particle remains constant

Reason: The path taken by a fluid particle under a steady flow is a streamline.

• A Both statements (1) and (II) are individually true, and statement (II) is the correct explanation of statement (1)

• B Both statements are individually true, but statement (II) Not is correct explanation of statement (1)

• C Statement (1) is true; but statement (II) is false

• D Statement (1) is false; but statement (II) is true

In Laminar flow

• A. Experimentation is required for the simplest flow cases

• B. Newton's law of viscosity applies

• C. The fluid particles move in irregular and haphazard path

• D. Viscosity is unimportant

Match List - I and List - Il and select the correct answer using the codes given below the lists

List-1

List-11

1. Capillary

A. Lubrication

B. Rise of sap in trees 2. Vapour pressure

C.Formation of droplets D. Cavitation

3. Viscosity 4. Surface tension

• A A-2; B-4; C-1;D-3

• BA-3; B-4;C-1; D-2

• CA-2; B-1; C-4; D-3

• DA-3; B-1; C-4; D-2

A vortex flow is

• A rotational flow

• B. irrotational flow

• c. both 1 and 2

• D. free shear flow