Test: Engineering Equipments - 1 - Civil Engineering (CE) MCQ

800 units of a certain item of stock are needed over each yearly period. The unit cost is 400 and the cost of each order is Rs. 150 carrying cost is 1.5%. The EOQ is

A construction concrete mixer of capacity 0.8 m³ is used and the mixer discharges the entire batch of concrete into a single hopper. The time per cycle may be taken for charging, mixing and discharging mixes as 1.6 minutes and lost time may be taken as 0.15 minutes. The number of batches per hour is equal to

Match List-I with List-ll and select the correct answer using the codes given below the lists;
List-I
A. Self-loading scraper
B. Narrowtread high pressure type
C. Supercharger
D. Gearratios

List-ll
1. Reduce loss in power
2. Rim pull management
3. Lower rolling resistance
4. Compromise between loading and hauling performances 

The output Q of the earth moving equipment like excavators, shovels, loaders (where 'q' is production per cycle in m³ and ‘c’ is cycle time in seconds) is

For a given load rating, the operating radius of crane can be increased by

Which of the following are the disadvantages of non-tilting type concrete mixers?
1. They are not favoured when large sized aggregates are used.
2. Mixing of the concrete occurs through both rolling and pulling from buckets.
3. Content of fines is increased.
4. They are not easy to clean.

Select the correct answer using the codes given below.
Codes:

Match List-I (Type of cranes) with List-ll (Characteristic) and select the correct answer using the codes given below the lists:
List-I

A. Hydraulic crane
B. Electric overhead crane
C. Travelling bridge crane
D. Hammerhead crane

List-ll
1. Has legs moving on tracks laid on the floor
2. Has cantilever arms on both sides
3. Has the unique advantage that the boom length and the angle can be changed during operation
4. Has three -way motion in mutually perpendicular directions