MECHANICAL ENGINEERING MCQ SECTION 41

471. CPM can control both

time and cost when planning.

472. Inventory control or stock control can be broadly defined as

"the activity of checking a shop’s stock”.

473. ‘Buffer stock’ is the level of stock

Minimum stock level below which actual stock should not fall.

474. The time period between placing an order its receipt in stock that is known as

Lead time.

475. ABC analysis is used in

Inventory control.

476. In a break-even chart, abscissa represents

Amount in rupee.

477. Continuous stock taking is a part of ________.

perpetual inventory.

478. The economic order quantity (EOQ) is the order quantity that

minimizes total holding and ordering costs for the year.

479. Air refrigerator works on_________

Reversed carnot cycle and Bell-Coleman cycle.

480. Air refrigeration cycle is used into________

Gas liquefaction.

481. The co-efficient of performance is

always Greater than one.

482. For summer air conditioning, the relative humidity

should not be less than 60%.

483. For winter air conditioning, the relative humidity

should not be more than 40%.

484. The sensible heat factor for auditorium or cinema hall is

generally kept as 0.7.

485. In air-conditioning of aeroplanes, using air as refrigerant, the cycle is used is

Reversed Brayton cycle.

486. The relative coefficient of performance (C.O.P.) is equal to_______

Actual C.O.P./Theoretical C.O.P.

487. The sub-cooling in a refrigeration cycle________

Increases C.O.P.

488. Rating of a domestic refrigerator is of the

order of 0.1 ton.

489. Piston type reciprocating compressor is used in

domestic refrigerator.

490. Absorption system normally uses

Ammonia refrigerant.