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Module:     Show:
Module 15. Gas turbine engine
The propulsive efficiency is
•  low, with a low mass flow acceleration.
•  high, with a low mass flow acceleration.
•  high, with a high mass flow acceleration.

ikkyu9 asking:
•  more mass flow is more thrust, is'nt it.?

Community comments: 0
Module 3. Electrical fundamentals
How many turns does the secondary winding of a 2:1 step-up transformer have?
•  Less than primary.
•  More than primary.
•  Less turns but with thicker wire.

alesaba asking:
•  รจ sbagliata?

Community comments: 1
Module 1. Mathematics
What is the area of the trapezium shown?

•  24 cm^2
•  27 cm^2
•  Area cannot be calculated from information given.

Richiegeee asking:
•  Can someone please explain?

Community comments: 1
Module 1. Mathematics
Evaluate 2x^2 * z^2 * (3x - z^2 ) =
•  6x^3 * z^2 - 2x^2 * z^4
•  6x^2 * z^2 - 2x^2 * z^2
•  6x^2 * z^2 + 3x - z^2

Richiegeee asking:
•  Can someone please explain?

Community comments: 0
Module 2. Physics
A mass on a spring nearly hits the ground 20 times a minute, its frequency is
•  3 cycles per second.
•  1/3 cycle per second.
•  20 cycles per second.

Arunkumar222 asking:
•  Kindly explain with formula

Community comments: 1
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