Swayam
Mechanical
Engineering
Automation in
Manufacturing
Week 4
1)
All sensors are transducers but all transducers
may not be sensors. State whether this statement is true or false. (1 point)
A. False
B. True
Answer : B True
2)
Orifice meter works on the principle of______________(1
point)
A.
Bernoulli’s
B.
Fourier’s
C.
Von Mises
D.
Lambert’s
Answer : A. Bernoulli’s
3)
In capacitive element, the capacitance of the
system increases with_________(1 point)
A.
increase in both area of overlap and distance of
separation
B.
decrease in both area of overlap and distance of
separation
C.
increase in area of overlap and decrease in
distance of separation
D.
decrease in the area of overlap and increase in
distance of separation
Answer : C. increase
in area of overlap and decrease in distance of separation
4)
In strain gauge-based sensors, the strain in the
wire increases with the increase in_________(1 point)
A.
tension along the length
B.
compression along the length
C.
tension along the transverse (lateral) direction
D.
compression along the transverse (lateral)
direction
Answer : A. tension
along the length
5)
Long form of RVDT senor is____________(1 point)
A.
Rotary variable of differential transducer
B.
Rotary variation in differential transformation
C.
Rotary variable differential translator
D.
Rotary variable differential transformer
Answer : D. Rotary
variable differential transformer
6)
To monitor the orientation of a textile fabric
during the garment manufacturing, among the following, _______sensor would be
suitable. (1 point)
A.
Pneumatic sensor
B.
Eddy current sensor
C.
Inductive proximity switch
D.
Hall effect senso
Answer : D. Hall effect senso
7)
In general, to sense the objects, the fingertips
of robot arms are equipped with__________(1 point)
A.
LVDTs
B.
RVDTs
C.
Tactile sensors
D.
Reed switch
Answer : C. Tactile
sensors
8)
In resistance temperature detectors, the
resistance of the sensor element___________(1 point)
A.
increases with the increase in temperature
B.
decreases with the increase in temperature
C.
remains constant with the increase in temperature
D.
remains constant with the decrease in
temperature
Answer : A. increases
with the increase in temperature
9)
As per _________, when two dissimilar metals
held together at their ends, potential difference (PD) occurs at the junctions(1
point )
A.
Moore’s effect
B.
Reed’s effect
C.
Seebeck’s effect
D.
Fourier’s effect
Answer : C. Seebeck’s
effect
10) The
photo-diode is basically a__________(1 point)
A.
p-n-p junction device
B.
n-p-n junction device
C.
n-p junction device
D.
p-n junction device
Answer : D. p-n
junction device
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