Explore topic-wise MCQs in Advanced Machining.

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.

451.

If an aircraft has lift curve slope of 4.76 per rad and moment coefficient curve slope of -0.116 per rad then, find the location of neutral point. Consider Xcg=0.3.

A. 0.324
B. 0.9825
C. 23.45
D. 45.7
Answer» B. 0.9825
452.

Following diagram represents __________

A. cg position influence on moment coefficient curve
B. lift curve
C. drag polar
D. thrust required minimum
Answer» B. lift curve
453.

An aircraft wing is experiencing AOA of 5°. If downwash due to wing is 2.6° then, how much angle is being seen by tail of the aircraft?

A. 2.4°
B. 4.5°
C. 6.7°
D. 1.23°
Answer» B. 4.5°
454.

Which of the following code represents count with mean of 2?

A. rpois(10, 2)
B. rpois(10, 20)
C. rpois(20, 2)
D. rpois(20, 20)
Answer» B. rpois(10, 20)
455.

__________ distribution is commonly used to model data that come in the form of counts.

A. Gaussian
B. Parametric
C. Poisson
D. Simulation
Answer» D. Simulation
456.

Point out the wrong statement?

A. Drawing samples from specific probability distributions can be done with “s” functions
B. The sample() function draws randomly from a specified set of (scalar) objects allowing you to sample from arbitrary distributions of numbers
C. The sampling() function draws randomly from a specified set of objects
D. You should always set the random number seed when conducting a simulation
Answer» C. The sampling() function draws randomly from a specified set of objects
457.

5 Normal random numbers can be generated with rnorm() by setting seed value to ______________

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
458.

Point out the correct statement?

A. When simulating any random numbers it is not essential to set the random number seed
B. It is not possible to generate random numbers from other probability distributions like the Poisson
C. You should always set the random number seed when conducting a simulation
D. Statistical procedure does not require random number generation
Answer» D. Statistical procedure does not require random number generation
459.

_________ ensures reproducibility of the sequence of random numbers.

A. sets.seed()
B. set.seed()
C. set.seedvalue()
D. set.value()
Answer» C. set.seedvalue()
460.

Soya sauce can be produced by using ____________

A. glucoamylases
B. proteases
C. alcalase
D. lactases
Answer» C. alcalase
461.

Which of the following is not an application of enzyme in food industry?

A. Cheese production
B. Shrinkproof wool
C. Production of soya sauce
D. Tenderizing meat
Answer» C. Production of soya sauce
462.

When protease depolymerize protein, the extent of hydrolysis is described in ________ units.

A. Vmax
B. Km
C. DH
D. Kcat
Answer» D. Kcat
463.

Which protease is being used to ‘shrink-proof’ wool’?

A. Pancreatic enzyme
B. Rennet
C. Fungal protease
D. Papain
Answer» E.
464.

Pancreatic enzyme are used in _______

A. softening of leather
B. cheese production
C. baking biscuits and pastries
D. tenderizing meat
Answer» B. cheese production
465.

In leather industry, _____________ is used to remove hair from hides.

A. rennet
B. trypsin
C. alkaline protease
D. papain
Answer» D. papain
466.

‘Hanging’ meat allows flavor to develop.

A. True
B. False
Answer» C.
467.

Which of the following enzyme hydrolysis casein?

A. Papain
B. Rennet
C. Alkaline protease
D. Trypsin
Answer» C. Alkaline protease
468.

Use of proteases in baking industry.

A. True
B. False
Answer» B. False
469.

Which of the following enzyme is used to tenderize meat?

A. Alkaline protease
B. Pancreatic enzymes
C. Papain
D. Rennet
Answer» D. Rennet
470.

____________ is the enzyme used in the production of cheese.

A. Alkaline protease
B. Papain
C. Pancreatic enzymes
D. Rennet
Answer» E.
471.

Cyanobacteria does not use which of the following for both oxidative and photophosphorylation?

A. Cytochrome c6
B. Cytochrome b6f
C. Plastoquinone
D. Plastocyanin
Answer» E.
472.

A water-soluble protein that carries one electron present in the chloroplast is ____________

A. PQB
B. Q
C. Cytochrome c
D. Plastocyanin
Answer» E.
473.

A water-soluble protein that carries one electron present in mitochondria is ____________

A. PQB
B. Q
C. Cytochrome c
D. Plastocyanin
Answer» D. Plastocyanin
474.

A mobile, lipid soluble carrier of two electrons present in mitochondria is ____________

A. PQB
B. Q
C. Cytochrome c
D. Plastocyanin
Answer» C. Cytochrome c
475.

A mobile, lipid soluble carrier of two electrons present in chloroplasts is ____________

A. PQB
B. Q
C. Cytochrome c
D. Plastocyanin
Answer» B. Q
476.

Plastoquinol formed in PSII is oxidized by ____________

A. Cytochrome b6f
B. Cytochrome c
C. Cytochrome f
D. Cytochrome h
Answer» B. Cytochrome c
477.

Which of the following describes the complete route by which electrons flow H2O to NADP+?

A. Z scheme
B. A scheme
C. B scheme
D. X scheme
Answer» B. A scheme
478.

Photosystem II is a ____________

A. Pheophytin-quinone type
B. Ferredoxin type
C. Plastocyanin type
D. Plastocyanin-ferredoxin type
Answer» B. Ferredoxin type
479.

A soluble Cu-containing electron transfer protein is ____________

A. Pheophytin
B. Cytochrome c
C. Plastocyanin
D. Ferredoxin
Answer» D. Ferredoxin
480.

A chlorophyll-like accessory pigment lacking Mg+2 is ____________

A. Pheophytin
B. Cytochrome c
C. Plastocyanin
D. Ferredoxin
Answer» B. Cytochrome c
481.

Which among the following condition is represented in the following diagram?

A. Transmitter uncertainty
B. Shadowing uncertainty
C. Receiver uncertainty
D. Access point uncertainty
Answer» C. Receiver uncertainty
482.

Spectrum decisions are affected by the co-location of data transmission and sensing function.

A. True
B. False
Answer» B. False
483.

Which among the following is not a disadvantage of the interference detection method?

A. Requirement of modulation of unlicensed signal
B. Requirement of the activity level of licensed and unlicensed users
C. Management of interference at the receiver
D. Disregard for the effect of multiple xG users
Answer» D. Disregard for the effect of multiple xG users
484.

What is an interference temperature model?

A. Interference temperature model is constructed by using the cumulative RF energy from multiple transmissions
B. Interference temperature model is constructed by using the RF energy from a single transmission
C. Interference temperature model is constructed by using the sampling RF energy from periodic transmissions
D. Interference temperature model is constructed by using the sampling IF energy from periodic transmissions
Answer» B. Interference temperature model is constructed by using the RF energy from a single transmission
485.

Which among the following is not a disadvantage of cooperation detection?

A. Overhead traffic
B. Receiver uncertainty
C. Shadowing uncertainty
D. Additional storage
Answer» D. Additional storage
486.

Which among the following is an interference of interest in xG architecture?

A. Expected interference at primary user
B. Expected interference at xG user
C. Expected interference at channel
D. Expected interference at spectrum broker
Answer» B. Expected interference at xG user
487.

What is the terminology used when xG base-station is involved in gathering sensing information?

A. Cumulative
B. Centralized
C. Distributed
D. Aggregated
Answer» C. Distributed
488.

Which among the following are problems of transmitter detection?

A. Secondary user uncertainty and xG base station uncertainty
B. xG base station uncertainty and primary base station uncertainty
C. Receiver uncertainty and shadowing uncertainty
D. Transmitter uncertainty and receiver uncertainty
Answer» E.
489.

Which among the following is a factor of concern for in-band sensing?

A. Identification of stop period for the search process
B. Identification of the start period for the search process
C. Selection of spectrum for evaluation
D. Selection of duration for transmission
Answer» E.
490.

What is the purpose of out-of-band sensing?

A. Fast switching
B. Fast routing
C. Fast discovery
D. Fast handoff
Answer» D. Fast handoff
491.

Which among the following is not an advantage of using cyclostationary feature detection?

A. Better performance than energy detection
B. Does not require prior knowledge of the signal transmitted by the primary user
C. Robust noise performance
D. Rapid attainment of high processing gain
Answer» E.
492.

Which among the following is achieved by coupling a modulated signal with a sine wave carrier?

A. Causality
B. Periodicity
C. Linearity
D. Stability
Answer» C. Linearity
493.

The ___________ are open at top and their bottoms are provided with openable doors.

A. Tremie
B. Hopper
C. Buckets
D. Bevel
Answer» D. Bevel
494.

In cold weather conditions, the temperature of concrete should not be allowed to fall below ___________ for at least 3 days after its placing.

A. 5° C
B. 25°C
C. 15°C
D. 50°C
Answer» D. 50°C
495.

While placing concrete in hot weather, the aggregate should be _____________ to bring down the temperature of concrete.

A. Burnt
B. Pre cooled
C. Heated
D. Washed
Answer» C. Heated
496.

It is observed that in cold weather, the curing is _________ in the initial stages of the setting of concrete.

A. Moderate
B. Slow
C. High
D. Fast
Answer» C. High
497.

The _________ is a mixture of cement and sand, the usual proposition being 1:3.

A. Grout
B. Mortar
C. Slurry
D. Gunite
Answer» E.
498.

The ____________ is the most effective process of repairing concrete work which has been damaged due to enquiry work or other reasons.

A. Grouting
B. Guniting
C. Vibrating
D. Pouring
Answer» C. Vibrating
499.

__________ method is not in common use in case of placing concrete underwater.

A. Tremie
B. Grouting
C. Guniting
D. Spreading
Answer» B. Grouting
500.

A _____________ is provided at the top of the Tremie to receive the concrete.

A. Bucket
B. Hopper
C. Tremie
D. Pipe
Answer» C. Tremie