when testing transistors, how much minimum voltage difference should be seen across the base-emitter junction? A. 0.1 VDC B. 0.4 VDC C. 0.6 VDC D. 0.9 VDC

Define volume flow rate of air flowing in a duct of area A with average velocity V.

consider a packed bed of 10cm diameter concrte (stone mix) spheres to be used as a thermal (energy) storage sysytem initailly the speheres are 15 deg C; airat 50deg C flows around each sphere providing a convection coefficeint of 10Wm^-2k^-1.

An electric motor under steady load draws 9.7 amperes at 110 volts; it delivers 1.25 (hp) of mechanical energy. The temperature of the surroundings is 300 K. What is the total rate of entropy generation in W·K-1?

Which of these is a characteristic of a reform movement?

Which two word pairs to locate the word vicious in the dictionary

Familiarity with basic fastener properties: For each of the standard fasteners specified informally below, determine the major diameter d, the pitch p, the pitch diameter dp, and the bolt length L.

The diameter of a cylinder is called the a.) stroke b.) bore c.) principal length d.) radius

Consider the following grooves, each of width W, that have been machined from a solid block of material. (a) For each case obtain an expression for the view factor of the groove with respect to the surroundings outside the groove.

What is the last step to the design process? A: Define the problem B: Present solution C: Evaluate a solution D: Develop a solution

The controller can be considered the brain of closed loop system