Which of these drum brake systems uses servo action in both directions? Select one:
O
a. Leading shoe drum brake system
b. Trailing shoe drum brake system
C. Twin leading shoe drum brake system
O
d. Duo-servo drum brake systems

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables

Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.