A 60 mm long line AB is parallel to and 20 mm in front of the V. P. The ends A and B of the line are 10 mm and 50 mm above the H. P., respectively. Draw the projections of

the line and determine its inclination with the H. P.

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.

Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero