ESE CE : Construction Materials & Management - Booster Quiz for ESE & GATE CE Exams

Question 1

Which of the following are the advantages of a crawler mounted power shovel over a rubber-tyred equipment?
1) It can operate on soft and hard soil
2) It is less expensive than rubber-tyred equipment
3) It works faster than rubber-tyred equipment
Select the correct answer using the codes given below:

Question 2

Statement (|) : In the erection of tall buildings, tower crane is preferred.
Statement (||) : Tower crane is a combination crane and it is suitable when the area is small and congested.

Question 3

Statement (|) : Negative slip is a possibility in reciprocating pumps.
Statement (||) : Non-cavitations in a long suction pipe with simultaneously a short delivery pipe may cause the delivery valve to open before the discharge stroke starts.

Question 4

The depreciatin changes for a machine are thirty paise per working hour. The machine has scrap value of Rs 2,000 and a working hour average life of 24000 hours. What is the purchase price of the machine?

Question 5

PERT calculations yield a project length of 60 weeks with a variance of 9 weeks. Probability factor corresponding to 95% probability is 1.647; then the number of weeks required to complete the project with a probability of 95% is

Question 6

Which one of the following techniques is most suitable in case of research and development type of activity?

Question 7

Activities A and B can be started independently. Activity C follows activity A, and activity D follows activities B and C. Activity E follows activity B and precedes activity F. The activities D and F merge at the objective event. Which one of the following is the correct network of the project?

Question 8

If ‘a’ is the optimistic time, ‘b’ is the pessimistic time, and ‘m’ is most likely time of an activity, then what is the expected time of activity?

Question 9

Which system of network given below completely eliminates the used of dummy activities?

Question 10

In a critical path network, which of the following are involved?
1) A series of interconnected activities
2) Considerations for uncertainties in time estimate
3) A logical sequence of activities is provided
4) The node number at the arrow head is numerically smaller than that at tail end

Question 11

Two parallel paths A and B extending from start to finish comprise a project network. Along A, the expected duration is 40 days with a standard deviation of 8 days; along B, these are 45 days and 12 days, respectively. What is the probability of the complete project being finished in 42 days? The table of normal probability curve is given:

Question 12

Which one of the following relates to determination of critical path in PERT?

Question 13

Consider the following statements:
The salient features of a bar chart over network are that
1) it is simple to draw and easy to understand.
2) it is a unable to depict interdependence of activities.
3) it clearly distinguishes between critical and non-critical activities.
4) it is not possible to crash activities to get optimum and minimum duration of the project.
Which of these statements are correct! ?

Question 14

Duration along the critical path defines which of the following ?
1) Shortest duration needed
2) Shortest duration permissible
3) Longest duration needed
4) Longest duration permissible
Select the correct answer the using the codes given below:

Question 15

Which one of the following is associated with a critical activity in a A-O-A network?

Question 16

Consider the following statements pertaining to CPM network analysis:
1) It is event-oriented method.
2) It is activity-oriented method.
3) Time and cost are controlling factors.
4) Time alone is controlling factor.
Which of these statements are correct?

Question 17

Statement (II): PERT network is event-oriented and it does not reflect on time or resources.
Statement (II): Planners can decide about the uncertainties involved in time duration while planning itself.

Question 18

Consider the following statements regarding the slope of cost-time curve:
1) It is given by difference between normal cost and crash cost divided by crash time.
2) It is given by difference between crash cost and normal cost divided by difference between crash time and normal time.
3) It is given by difference of crash cost and normal cost divided by normal time.
4) It is given by crash cost divided by crash time.
Which of these statements is/are correct?

Question 19

Statement (I): In resources leveling, project completion time is not extended provided there is no constraints on availability of resources.
Statemant (II): There is generally a constraint against exceeding the project duration time.

Question 20

An equipment costs Rs. 25 Lakhs with an estimated salvage value of Rs. 5 Lakh after 5 years of useful life. What is the approximate equated annual cost for use of the equipment?