Related Questions

A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A Remain horizontal
B Slant up towards direction of pull
C Slant down towards direction of pull
D None of the above
For display of signal pattern ___________ voltage is applied to the horizontal plates of a CRO
A Sinusoidal
B Rectangular
C Sawtooth
D None of the above
In leaf springs, the maximum bending stress developed in the plates is (where W = Load acting on the spring, $$l$$ = Span of the spring, n = Number of plates, b = Width of plates and t = Thickness of plates)
A $$\frac{{{\text{W}}l}}{{{\text{nb}}{{\text{t}}^2}}}$$
B $$\frac{{3{\text{W}}l}}{{2{\text{nb}}{{\text{t}}^2}}}$$
C $$\frac{{2{\text{W}}l}}{{{\text{nb}}{{\text{t}}^2}}}$$
D $$\frac{{3{\text{W}}l}}{{{\text{nb}}{{\text{t}}^2}}}$$
When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ___________.
A Rectangular
B Sinusoidal
C Sawtooth
D Square
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as ________ double cover butt joint.
A Single riveted
B Double riveted
C Multi riveted
D None of these
When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is known as
A Lap joint
B Butt joint
C Single riveted single cover butt joint
D Double riveted double cover butt joint
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint.
A Single riveted
B Double riveted
C Both (A) and (B)
D None of these
A CRO is used to measure ___________.
A Voltage
B Frequency
C Phase
D All of above
In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in
A Reducing the axial mixing
B Increasing the rate of extraction
C Maintaining the concentration difference between the two phases
D All of the above
A CRO can display
A AC signals
B DC signals
C Both AC and DC signals
D Time invariant signals

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