ETEA Per Engineering Papers

Q: Sound waves we get of frequency 100Hz are transmited into a cylinderical tube that is closed at one end. The stationary waves formed in the tube produced adjcent nodes that are 1.6 m apart. What is the speed of sound waves?

(a) :  62.5 m/s
(b) :  160 m/s
(c) :  320 m/s
(d) :  640m/s
(e) :  None
Answer:  320m/s

Q: GM of 4 and 6 is

(a) :  84
(b) :  16
(c) :  8
(d) :  2
(e) :  None
Answer:  8

Register now to view all Question's.

Sign in OR Sign Up

Back to top