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This section includes 2460 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
501. |
A ___________ consists of a watertight pipe of diameter about 250 mm to 300 mm. |
A. | Hopper |
B. | Grout |
C. | Bucket |
D. | Tremie |
Answer» E. | |
502. |
The concrete is contained in a timber or steel casing for a certain period after its placing, this casing is known as the ____________ |
A. | Tremie |
B. | Hopper |
C. | Shuttering |
D. | Grouting |
Answer» D. Grouting | |
503. |
If the secondary couple polygon is open and the force polygon is closed then stability is achieved. |
A. | True |
B. | False |
Answer» C. | |
504. |
For the secondary balancing of the engine, which of the condition is necessary? |
A. | Secondary force polygon must be close |
B. | Secondary force polygon must be open |
C. | Primary force polygon must be close |
D. | Primary force polygon must be open |
Answer» B. Secondary force polygon must be open | |
505. |
The numerical values of the secondary forces and secondary couples couples may be obtained by considering the ___________ |
A. | Revolving mass |
B. | Reciprocating mass |
C. | Translating mass |
D. | Rotating mass |
Answer» B. Reciprocating mass | |
506. |
In a multicylinder inline engine, each imaginary secondary crank with a mass attached to the crankpin is inclined to the line of stroke at which angle? |
A. | Twice the angle of crank |
B. | Half the angle of crank |
C. | Thrice the angle of crank |
D. | Four times the angle of crank |
Answer» B. Half the angle of crank | |
507. |
Which of the following is the correct expression for secondary force? |
A. | mω2r.cos2θ/n |
B. | mω2r.sin2θ/n |
C. | mω2r.tan2θ/n |
D. | mω2r.cosθ/n |
Answer» B. mω2r.sin2θ/n | |
508. |
When the connecting rod is too long, secondary forces arise due to reciprocating masses. |
A. | True |
B. | False |
Answer» C. | |
509. |
If the connecting rod is not too long, then which of the following phenomenon occurs? |
A. | Secondary disturbing forces |
B. | Primary disturbing forces |
C. | Secondary stabilizing forces |
D. | Primary stabilizing forces |
Answer» B. Primary disturbing forces | |
510. |
In coupled locomotives, where are the coupling rod cranks placed with respect to the main crank? |
A. | Diametrically opposite |
B. | At 90 degrees |
C. | At 60 degrees |
D. | At 120 degrees |
Answer» C. At 60 degrees | |
511. |
The variation of pressure between the wheel and the rail (i.e. hammer blow) may be reduced by _______ |
A. | Equal distribution of balanced masses |
B. | More mass towards driving wheel |
C. | More mass towards trailing wheel |
D. | More mass towards leading wheel |
Answer» B. More mass towards driving wheel | |
512. |
Coupling rods with connecting rods and pins can be treated as ________ |
A. | Rotating masses |
B. | Masses in linear motion |
C. | Reciprocating masses |
D. | Massless |
Answer» B. Masses in linear motion | |
513. |
In coupled locomotives, the coupling rod cranks are placed diametrically opposite to the adjacent ________ |
A. | Driving cranks |
B. | Driving rods |
C. | Driving piston |
D. | Driving valves |
Answer» B. Driving rods | |
514. |
On connecting a wheel through outside coupling rod, which utility comes of use? |
A. | Tractive |
B. | Swaying |
C. | Hammer |
D. | Piston |
Answer» B. Swaying | |
515. |
For a coupled locomotive, the driving wheels and the leading and trailing wheels are connected by an inside coupling rod. |
A. | True |
B. | False |
Answer» C. | |
516. |
In a coupled locomotive, the driving wheels are connected to the leading and trailing wheels by a/an __________ |
A. | Outside coupling rod |
B. | Inside coupling rod |
C. | Backside coupling rod |
D. | Frontend coupling rod |
Answer» B. Inside coupling rod | |
517. |
Hot rolling imparts springiness to the steel. |
A. | True |
B. | False |
Answer» C. | |
518. |
Steel type ___ is used for tinplates in D&I cans. |
A. | D |
B. | L |
C. | MR |
D. | N |
Answer» B. L | |
519. |
Steel type ___ is used for tinplates for packing vegetable and meat packs. |
A. | D |
B. | L |
C. | MR |
D. | N |
Answer» D. N | |
520. |
Steel of type ___ is used in can ends. |
A. | D |
B. | L |
C. | MR |
D. | N |
Answer» E. | |
521. |
Steel of type ____ is used where high internal corrosion resistance is required. |
A. | D |
B. | L |
C. | MR |
D. | N |
Answer» C. MR | |
522. |
Type of steel in tinplate. |
A. | P |
B. | N |
C. | L |
D. | D |
Answer» B. N | |
523. |
Temper in steel is measured by Rockwell hardness test. |
A. | True |
B. | False |
Answer» B. False | |
524. |
Blackplate has _______ coating. |
A. | chromium oxide |
B. | aluminum oxide |
C. | iron oxide |
D. | zinc oxide |
Answer» D. zinc oxide | |
525. |
________ refers to an arbitrary number designation. |
A. | Etxruding |
B. | Polishing |
C. | Rolling |
D. | Temper |
Answer» E. | |
526. |
Cold rolling is carried out in a temper mill. |
A. | True |
B. | False |
Answer» B. False | |
527. |
The uncoated steel sheet before tinplating is known as ________ |
A. | steelplate |
B. | bareplate |
C. | blackplate |
D. | foreplate |
Answer» D. foreplate | |
528. |
How many set of pins are required to control the frequency in XR-2206 function generator? |
A. | Two |
B. | Three |
C. | Four |
D. | None of the mentioned |
Answer» C. Four | |
529. |
The value of current and frequency of the output waveform are 5A and 13.33kHz. Find the capacitance value in function generator? |
A. | 250µF |
B. | 120µF |
C. | 850µF |
D. | 370µF |
Answer» C. 850µF | |
530. |
Find the difference of potential that can be applied to XR-2206 function generator. |
A. | 26v |
B. | 5v |
C. | 19v |
D. | 30v |
Answer» D. 30v | |
531. |
What will be the output, if a 180Ω resistor which was connected between 13th and 14th pin terminal is removed. |
A. | A triangular wave |
B. | A sine wave |
C. | A square wave |
D. | A rectangular wave |
Answer» B. A sine wave | |
532. |
A function generator can produce |
A. | Many identical waves |
B. | Square and sine waves only |
C. | Different types of waves simultaneously |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
533. |
If the output of the sinewave oscillator is Vsinωot, then determine the output of the inverter in the Biphasic oscillator. |
A. | Vsin(ωot+(3π/2)) |
B. | Vsin(ωot+2π) |
C. | Vsin(ωot+π) |
D. | Vsin(ωot+(π/2)) |
Answer» C. Vsin(ωot+π) | |
534. |
A Biphasic oscillator produces output signal that have |
A. | Cosine wave only |
B. | Both sine and cosine wave |
C. | Two identical sine wave |
D. | Two identical cosine wave |
Answer» D. Two identical cosine wave | |
535. |
For D flip-flop to JK flip-flop, the characteristics equation is given by ___________ |
A. | D=JQ(p)’+Q(p)K’ |
B. | D=JQ(p)’+KQ(p)’ |
C. | D=JQ(p)+Q(p)K’ |
D. | D=J’Q(p)+Q(p)K |
Answer» B. D=JQ(p)’+KQ(p)’ | |
536. |
For realisation of D flip-flop from SR flip-flop, the external input is given through ___________ |
A. | S |
B. | R |
C. | D |
D. | Both S and R |
Answer» D. Both S and R | |
537. |
The K-map simplification for realisation of SR flip-flop from JK flip-flop is ___________ |
A. | J=1, K=0 |
B. | J=R, K=S |
C. | J=S, K=R |
D. | J=0, K=1 |
Answer» D. J=0, K=1 | |
538. |
For realisation of SR flip-flop from JK flip-flop, if S=1, R=0 & present state is 0 then the excitation input will be ___________ |
A. | J=1, K=1 |
B. | J=X, K=1 |
C. | J=1, K=X |
D. | J=0, K=0 |
Answer» D. J=0, K=0 | |
539. |
For realisation of SR flip-flop from JK flip-flop, if S=1, R=0 & present state is 0 then next state will be ___________ |
A. | 1 |
B. | 0 |
C. | Don’t care |
D. | Toggle |
Answer» B. 0 | |
540. |
For realisation of SR flip-flop from JK flip-flop, the excitation input will be obtained from ___________ |
A. | S and R |
B. | R input |
C. | J and K input |
D. | D input |
Answer» D. D input | |
541. |
For realisation of JK flip-flop from SR flip-flop, if J=1, K=0 & present state is 0(i.e. Q(n)=0) then excitation input will be ___________ |
A. | S=0, R=1 |
B. | S=X, R=0 |
C. | S=1, R=0 |
D. | S=1, R=1 |
Answer» D. S=1, R=1 | |
542. |
For realisation of JK flip-flop from SR flip-flop, if J=0 & K=0 then the input is ___________ |
A. | S=0, R=0 |
B. | S=0, R=X |
C. | S=X, R=0 |
D. | S=X, R=X |
Answer» C. S=X, R=0 | |
543. |
For realisation of JK flip-flop from SR flip-flop, the input J and K will be given as ___________ |
A. | External inputs to S and R |
B. | Internal inputs to S and R |
C. | External inputs to combinational circuit |
D. | Internal inputs to combinational circuit |
Answer» B. Internal inputs to S and R | |
544. |
To realise one flip-flop using another flip-flop along with a combinational circuit, known as ____________ |
A. | PREVIOUS state decoder |
B. | NEXT state decoder |
C. | MIDDLE state decoder |
D. | PRESENT state decoder |
Answer» C. MIDDLE state decoder | |
545. |
What is the permissible error for squareness of spindle axis with table test? |
A. | 0.05/300 mm |
B. | 0.08/300 mm |
C. | 0.1/300 mm |
D. | 0.01/300 mm |
Answer» D. 0.01/300 mm | |
546. |
For testing squareness of spindle axis with table, when was reading taken down? |
A. | At every 90° rotation of spindle |
B. | At every 180° rotation of spindle |
C. | At every 60° rotation of spindle |
D. | At every 120° rotation of spindle |
Answer» C. At every 60° rotation of spindle | |
547. |
How Flatness of clamping surface of the base test is performed? |
A. | By placing a straight edge on one gauge block |
B. | By placing a straight edge on four gauge blocks |
C. | By placing a straight edge on two gauge blocks |
D. | By placing a straight edge on three gauge blocks |
Answer» D. By placing a straight edge on three gauge blocks | |
548. |
The sensor output is converted into transistors logic signals by using ____ |
A. | Schmitt trigger |
B. | Pair of phototransistor photodiode |
C. | DC motor |
D. | Sensors |
Answer» B. Pair of phototransistor photodiode | |
549. |
Which circuit is used for identification of coins? |
A. | Electronic counting system |
B. | Sequential logic circuit |
C. | Schmitt triggers |
D. | Coin sensors |
Answer» C. Schmitt triggers | |
550. |
What is used for determining the combination of each different denominators? |
A. | Pair of phototransistor photodiode |
B. | Electronic counting system |
C. | Sensors |
D. | DC motor |
Answer» B. Electronic counting system | |