Intelligent Instrumentation

Newtons could be used to measure __________ and __________.

• mass, speed

• momentum, work

• force, weight

• direction, power

The steady-state response of a vibrating system is found by determining __________ of the differential equation

• The homogeneous solution

• The particular solution

• The characteristic equation

• Both the homogeneous and particular solutions

A spring with k=73 N/m is compressed 70 cm.  An object of mass 4 kg is attached to one end of the compressed spring.  What is the acceleration of the object at the moment the spring is released?  

• .078 m/s/s
• 0.17 m/s/s
• 13 m/s/s
• 1.3 X 10^5 m/s/s

A damper is added to a simple forced spring-mass system.

Select ALL that are true

• The natural frequency would change

• Amplitude of response decreases

• Transmissibility decreases

• Static deflection decreases

The Op-amp can amplify

• a.c. signals only

• d.c. signals only

• both a.c. and d.c. signals

• neither d.c. nor a.c. signals

Noninverting amplifier is

• source connected to V+

• source connected to V-

• source not connected

Why Op-amp must have infinite gain?

• To amplify all frequencies

• Amplify single frequency

• Amplify certain range of frequencies

• To rectify certain frequency

Identify the circuit

• Inverting amplifier

• voltage follower

• Differential amplifier

• Non inverting amplifier

Identify the circuit

• Inverting amplifier

• voltage follower

• Differential amplifier

• Non inverting amplifier

Negative feedback ………..

• increases the input and output impedances

• increases the input impedance and bandwidth

• decreases the output impedance and bandwidth

• does not affect impedance or bandwidth