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Question:
(a) With the help of a clearly labeled diagram explain the functioning of a basic thermocouple.
(b) Briefly explain the principle and operation of strain gauges. What is meant by gage factor "k" and give the equation to calculate the gage factor.
(c) Two strain gauges are mounted so that they sense axial strain on a steel member in uniaxial tension. The 120 Ω gauges form two legs of a Wheatstone bridge and are mounted on opposite arms. The gauge factor for each gauge is 2, the bridge constant is 2, and Em for steel is 200 MPa. For a bridge excitation voltage (Ei) of 4 V and a bridge output voltage (Eo) of 120 μV under load, estimate
a) the maximum strain in the member, and
b) the resistance change experienced by each gauge.
(d) Draw the block diagram of a simple frequency counter and explain how it operates
Q. A 25-kVA, 2200:220-V, 60-Hz, single-phase transformer has an equivalent series impedance of 3.5 + j4.0 referred to the primary high- voltage side. (a) Determine the highest
derive relation for hybriod pera meters
What are the basic components in a Microprocessor? 1) Address lines to refer to the address of a block 2) Data lines for data transmit 3) IC chips 4 processing data
In a CDMA system, the signal is spread over a large bandwidth by multiplying the transmitted symbol by a sequence of short pulses, also called chips. The
Trap is called as Non-Maskable interrupts, which is used in emergency condition.
stack Pointer (SP) It is also a 16 bit register and a memory pointer similar to program counter. It holds the memory address of the top of the stack. Stack is a part of
a) Illustrate the Schematic diagram of the Transformer Box used in the Practical Session b) Calculate the output voltage on an Oscilloscope and determine its amplitude and freq
For the network shown in Figure, find the current in each resistor by means of nodal analysis.
Give the properties and application of cotton. Cotton : It is base material for insulating fibres. Properties: It can be enhanced by impregnating with varnish. 1)
Illustrate the types of classification and coding systems? Briefly explain Production Flow Analysis? Discuss the basic concept of Composite part and different kinds of cell desi
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