# MCQs in Thermodynamics Part IX - Answers

Answers key for the Compiled MCQs in Thermodynamics Part 9 of the series as one topic in General Engineering and Applied Sciences (GEAS) in the ECE Board Exam.

Below are the answers key for the Multiple Choice Questions in Thermodynamics Part 9.

401. Thermodynamics

402. Boyle’s Law

403. 6.0225 x 10^23 mol-1

404. all of the above

405. isolated system

406. evaporation

407. 1 gm/cm³

408. when a body is inversed in a fluid, the fluid exerts a upward force on the body whose magnitude is equal to the weight of the displaced fluid.

409. solid

410. V = C

411. specific heat

412. > 1

413. Law of Conservation of Mass

414. potential energy

415. elastic work

416. Gabriel Daniel Fahrenheit

417. Anders Celsius

418. barometer

419. Momentum

420. all of the above

421. Energy is a scalar quantity

422. System

423. Flow rate

424. Energy

425. Specific Heat

426. Thermodynamics

427. 1st Law of Energy Conservation

428. Vector Quantity

429. Internal Energy

430. 1.60210 x 10-19 coulomb

431. Boyle's Law

432. Barometer

433. Both a & b

434. Q is positive when heat is rejected by the body or system

435. All of the above

436. Entrophy

437. Newton's Law

438. Density

439. Enthalpy

440. Closed System

441. isometric

442. specific heat

443. torr

444. Cp – Cv

445. Conservation of Energy

446. Isolated System

447. Enthalpy

448. Specific Gravity

449. kJ / kg.k

450. Zeroth Law

### Online Questions and Answers in Thermodynamics Series

Following is the list of practice exam test questions in this brand new series:

MCQs in Thermodynamics
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 10: MCQs from Number 451 – 500                Answer key: PART X

### Complete List of MCQs in General Engineering and Applied Sciences per topic

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