AP ECET 2022 Questions with Answers
Some of the AP ECET 2022 questions along with the answers given here.
- The volume of a spherical ball is increasing at the rate of 4ฯ cc/s, then the rate of increase of the radius when the volume is 288ฯ cc is
- 36 cm/sec
- 6 cm/sec
- 1/36 cm/sec
- โ
cm/sec
Correct Answer: 1/36 cm/sec
If in a triangle ABC, a = 13, b = 14, c = 15, then the area of the triangle is
- 35 sq units
- 56 sq units
- 84 sq units
- 94 sq units
Correct Answer: 84 sq units
If (1+ tanA) (1+ tanB) = 2 then A + B =
- 65 degrees
- 45 degrees
- 35 degrees
- 25 degrees
Correct Answer: 45 degrees
A person standing on a tower of height 60 m throws an object upwards with velocity of 40 m/s at an angle of 30 degrees to the horizontal. Find the total time taken by the object to gain maximum height and fall on the ground (take g = 10m/s2)
Correct Answer: 6 s
A bucket full of water is drawn up by a person. In this case, the work done by the gravitational force is
- Negative because the force and displacement are in opposite directions
- Positive because the force and displacement are in the same direction
- Negative because the force and displacement are in the same direction
- Positive because the force and displacement are in the opposite direction
Correct Answer: Negative because the force and displacement are in opposite directions
A source of sound of frequency 450 cycles/sec is stationary but an observer is moving towards the source at 34 m/sec speed. If the speed of sound is 340 m/sec, the apparent frequency will be
- 410 cycles/sec
- 500 cycles/sec
- 550 cycles/sec
- 495 cycles/sec
Correct Answer: 495 cycles/sec
What is the standard reduction potential of the cathode of a galvanic cell if the standard EMF of the cell and standard reduction potential of the anode are 2.71 volts and -2.37 volts respectively?
- 0.68 volts
- -0.68 volts
- -0.34 volts
- 0.34 volts
Correct Answer: 0.34 volts
The wetted perimeter of the trapezoidal channel of side slopes 1:1:5 with button width 1.5 m and depth of flow 2.5 m is
Correct Answer: 10.5 m
- The process by which Twitter vapor leaves the living plant body and enters the atmosphere is
- Evaporation
- Transpiration
- Precipitation
- Interception
Correct Answer: Transpiration
The device used to connect and disconnect the tractor engine from the transmission gears and drive wheels is
- Clutch
- Gearbox
- Differential
- Final drive
Correct Answer: Clutch