ESE 2022 CE Technical Quiz 12 for ESE & GATE CE Exams

Question 1

Following four curves for Marshall method of mix design are given with x-axis as optimum binder content (%) and y-axis as parameters P, Q, R and S

Match the unknown parameter in Column I to suitable term in Column II.

Correct match is:

Question 2

Consider following statement regarding pavement materials:

1) Strength of the aggregates is determined by impact test

2) Ring and ball apparatus is used to conduct softening point test on the bitumen

3) Hardness of the aggregates is determined by abrasion test

4) Consistency of the bitumen is determined by viscosity test

Correct statement(s) is/are:

Question 3

Consider the following statements:

1) Velocity distribution in a generalized shear flow depends on but is independent of moving plate velocity.

2) Shear and pressure gradients (incase of laminar as well as turbulent flow) are inter related through the relationship

3) Momentum correction factor for a laminar flow through a circulate pipe is 4/3

Which of the following statements is/are correct?

Question 4

Consider the following statements

I. Against horizontal displacement submerged body remains in neutral equilibrium.

II. Submerged body may be in stable equilibrium against horizontal displacement.

III. Floating body is in stable equilibrium against vertical displacement.

Which of the statements is/are correct?

Question 5

If the stream function in a flow is

, then velocity at (1,2) in x-direction is

Question 6

Assertion – Hydrophobic cement is used in high rainfall hilly areas

Reason – Hydrophobic – cement is produced by inter grinding cement clinkers with water repellent film forming structures.

Question 7

Identify the correct statements regarding types of cement

1) Leaching reduces using low heat cement

2) Low heat cement is predominantly used in mass concreting

Question 8

A mixer of capacity as 20m³ and working efficiency of 85% is used to mix the concrete. 1m³ of concrete requires 5.7 bags of cement. No. of cement bags required in 1 batch of mixing.

Question 9

Identify the incorrect statement:

1) The rate of setting of cement is regulated by adjusting the proportion of silica and Alumina.

2) Water needed to be added for hydration is 23%

3) Gel water actively participate in the hydration process

Question 10

Which of the following statements are true?
1) Indirect costs are not dependent on individual activities.
2) Expenditure for maintenance are the overhead costs.
3) Indirect costs always increases with time.
4) The overhead costs vary linearly with time.