Q. What motor is used in ceiling fan & washing m/cs:
Q. In electric traction What is 8255
Q. 8085 has __ address and __ data lines
Q. 8051 is a ___ bit micro controller (Ans: 8 bit)
Q. 74LS244 is ____
Q. Bucholz relay is used for ____ protection (transformer)
Q. Transmission line parameters are called ___
Q. Number of poles and freq given find speed
Q. In which motor starting torque can be incr by adding rotor resistance (IM) there were 4 qns frm Power plants (had to guess in that) questions from
d) critically damped
Q. How many flags does 8085 have? (answer-5)
Q. Which of the following are universal gates? (ans-nand,nor)
Q. What is the frequency range of mobile communication?
Q. The resolution of picture in tv depends on.
a. no: of lines scanned
b. video detector o/p
Q. What is the modulation used to transmit sound in tv signal?
Q. What is double integration of a unit step signal?
a. ramp signal
Q. virtual memory is used for ?.
Q. Rdbms covers ?Define Query?
Q. Datastructure : order of randomly searched binary tree.
Q. A pulse is passed through a pipe to detect any damage. This process is called ?
a. Time reflectometry
b. Piggy backing