# MCQs in Engineering Mathematics Part 9 - Answers

Answers key for the Compiled Uncategorized Multiple Choice Questions in Engineering Mathematics Part 9 of the series.

Below are the answers key for the Uncategorized Multiple Choice Questions in Engineering Mathematics Part 9.

401. c. 4931 kN

402. d. 993.26 kN

403. c. 68166750 Joules

404. b. 4591 Joules

405. c. 6.28 Joules

406. c. 554742 Joules

407. b. 4591 Joules

408. b. 3 698 283 Joules

409. a. 3945 kN . m

410. a. 12 327.5 kN . m

411. b. 627 840 pi

412. c. 7.68 Joules

413. a. 160

414. b. 850 Joules

415. a. 560 pi w N.m

416. c. 2940 kg.m

417. c. 1 hr. 44.72 min

418. c. (2752/3) pi w

419. a. (y-k) dx – (x-h) dy = 0

420. a. 2x dy – y dx = 0

421. b. xdy – ydx = 0

422. b. 1.47

423. d. y = x^2 + C

424. c. 6.9455

425. c. 40478 kph

426. a. 39.62 yrs.

427. d. 64

428. a. 2y = x^2 + 3x + 4

429. c. 62.18

430. b. 31.70

431. a. 196.99 kg

432. c. 19.53

433. a. xy = c

434.d. cos st

435. a. s/[(square) + (w square)]

436. a. cos kt

437. a. [2 e (exp – t) – 4e (exp – 3t)]

438. b. 1/ (s + 4)

439. a. I(S) = 2e^(-25t) sin100t

440. d. e^(-at) sin wt

441. b. 10e^(-10t) – 20e^(-20t)

442. b. 19° 48’

443. d. 3m

444. d. 9m

445. a. 57.74 kN

446. d. 100

447. b. 3.68 kN

448. d. 12 books

449. b. 30 kg, 50 kg

450. d. 20 times nearer

### The Series

Following is the list of multiple choice questions in this brand new series:

Engineering Mathematics MCQs
PART 1: MCQs from Number 1 – 50                                 Answer key: PART I
PART 2: MCQs from Number 51 – 100                             Answer key: PART 2
PART 3: MCQs from Number 101 – 150                          Answer key: PART 3
PART 4: MCQs from Number 151 – 200                          Answer key: PART 4
PART 5: MCQs from Number 201 – 250                          Answer key: PART 5
PART 6: MCQs from Number 251 – 300                          Answer key: PART 6
PART 7: MCQs from Number 301 – 350                          Answer key: PART 7
PART 8: MCQs from Number 351 – 400                          Answer key: PART 8
PART 9: MCQs from Number 401 – 450                          Answer key: PART 9
PART 10: MCQs from Number 451 – 500                        Answer key: PART 10

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