MCQOPTIONS
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MCQOPTIONS
This section includes 5314 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1801. |
The survey in which details are covered roughly but not accurately is called __________ |
| A. | Reconnaissance |
| B. | Rough survey |
| C. | Map study |
| D. | Detailed study |
| Answer» B. Rough survey | |
| 1802. |
The maps in India related to topography are prepared by __________ |
| A. | Geological survey of India |
| B. | Survey of India |
| C. | NHAI |
| D. | GOI |
| Answer» C. NHAI | |
| 1803. |
The surveys of highway alignment are completed in how many stages? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» E. | |
| 1804. |
Calculate Q, if Speed is 250 rpm and D is 10 inches and wds factor is given as 500? |
| A. | 11500 T/hr |
| B. | 8500 T/hr |
| C. | 9000 T/hr |
| D. | 5000 T/hr |
| Answer» C. 9000 T/hr | |
| 1805. |
Calculate capacity, if peripheral speed is 100 fps, width is 10 ft. and d is 5 ft? |
| A. | 250,000 |
| B. | 100,000 |
| C. | 45,000 |
| D. | 50,000 |
| Answer» B. 100,000 | |
| 1806. |
The limiting diameter, Dp is ____ |
| A. | d + r |
| B. | 0.5R + r |
| C. | 0.04R + d |
| D. | R +r |
| Answer» D. R +r | |
| 1807. |
The overall order for the reaction 2A+ B—> 2C with rate equation rate=k[A]^2[B] is? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» E. | |
| 1808. |
What is the speed of a chemical reaction? |
| A. | Is independent of the contact surface |
| B. | Is constant no matter what the temperature is |
| C. | Varies inversely with the absolute temperature |
| D. | Is extremely rapid between the ions in aqueous solution |
| Answer» E. | |
| 1809. |
Which among the following catalyst increases the rate of the reaction? |
| A. | Calcium carbonate |
| B. | Calcium chloride |
| C. | Calcium hydroxide |
| D. | Calcium sulphate |
| Answer» B. Calcium chloride | |
| 1810. |
Identify the unit of “k” in moles/L for the rate law: k[A][B]pow2. |
| A. | L/mol/s |
| B. | L(pow2)/mol/s |
| C. | L(pow2)* s(pow2)/mol(pow2) |
| D. | s |
| Answer» E. | |
| 1811. |
From the choices given below, identify the activation energy of a reaction whose rate constant increases by 100 when the temperature changes from 300K to 360K. |
| A. | 53 |
| B. | 69 |
| C. | 35 |
| D. | 42 |
| Answer» C. 35 | |
| 1812. |
Identify the true statement regarding catalyst. |
| A. | Always decreases the rate of the reaction |
| B. | Always increases the activation energy of the reaction |
| C. | Actually participates in the reaction |
| D. | Changes the equilibrium concentration of the product |
| Answer» D. Changes the equilibrium concentration of the product | |
| 1813. |
The frequency of molecular collision increases if ____________ |
| A. | The concentration of product increases |
| B. | The concentration of product decreases |
| C. | The concentration of reactant increases |
| D. | The concentration of reactant decreases |
| Answer» D. The concentration of reactant decreases | |
| 1814. |
Temperature and pressure are the only factors which affect the reaction rate. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1815. |
The rate of the reaction is equal to the product of three factors listed below except ____________ |
| A. | Collision frequency |
| B. | Energy factor |
| C. | Orientation factor |
| D. | pH factor |
| Answer» E. | |
| 1816. |
The storage of renewable energy sources is expensive. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1817. |
Renewable energy plants require ________than traditional generators.a) more fuelb) less maintenancec) higher operating costd) more uranium 9.Most of the Renewable energy sources are ________ |
| A. | more fuelb) less maintenancec) higher operating costd) more uranium 9.Most of the Renewable energy sources are ________a) location-specific |
| B. | less maintenancec) higher operating costd) more uranium 9.Most of the Renewable energy sources are ________a) location-specificb) universally available |
| C. | higher operating costd) more uranium 9.Most of the Renewable energy sources are ________a) location-specificb) universally availablec) highly efficient |
| D. | more uranium 9.Most of the Renewable energy sources are ________a) location-specificb) universally availablec) highly efficientd) pollutingView Answer |
| Answer» C. higher operating costd) more uranium 9.Most of the Renewable energy sources are ________a) location-specificb) universally availablec) highly efficient | |
| 1818. |
Renewable energy-based power plants have ______ |
| A. | negligible fuel cost |
| B. | low energy availability |
| C. | negligible production capacity |
| D. | fuel storage tanks |
| Answer» B. low energy availability | |
| 1819. |
Which of the following statements is not true about Renewable Energy? |
| A. | They do not cause pollution |
| B. | Their transportation is difficult |
| C. | They cause ecological imbalance |
| D. | They have a low gestation period |
| Answer» D. They have a low gestation period | |
| 1820. |
The cost of harnessing energy from Non-Conventional Energy sources is low. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1821. |
The availability of Renewable energy sources is _____ |
| A. | uncertain |
| B. | constant |
| C. | high |
| D. | regular |
| Answer» B. constant | |
| 1822. |
Based on the following options, choose the correct option. Statement I: Non-Conventional energy is available in nature free of cost. Statement II: Non-Conventional energy is exhaustible in nature. |
| A. | Statement I and Statement II are correct and Statement II is the correct explanation of Statement I |
| B. | Statement I and Statement II are correct and Statement II is not the correct explanation of Statement I |
| C. | Statement I is true and Statement II is false |
| D. | Statement II is true and Statement I is false |
| Answer» D. Statement II is true and Statement I is false | |
| 1823. |
Non-Conventional Energy sources have a high gestation period. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1824. |
______ energy sources provide energy in dilute form. |
| A. | Non-Renewable |
| B. | Conventional |
| C. | Nuclear |
| D. | Renewable |
| Answer» E. | |
| 1825. |
Which of these is not a part of tollgate review after Improve step? |
| A. | Adequate documentation of how the solution was obtained |
| B. | Documentation on alternative solutions that were considered |
| C. | Complete results of pilot tests |
| D. | Results of FMEA |
| Answer» E. | |
| 1826. |
Which one of these is not a part of the 3 criteria for FMEA? |
| A. | Likelihood of a process going wrong |
| B. | Ability of detecting a failure |
| C. | Cause for a failure |
| D. | The severity of a failure |
| Answer» D. The severity of a failure | |
| 1827. |
The 3 criterion for FMEA are scored on _____ scale. |
| A. | 0 to 1 |
| B. | 0 to 100 |
| C. | 0 to 10 |
| D. | 0 to 5 |
| Answer» D. 0 to 5 | |
| 1828. |
In FMEA, M stands for _____ |
| A. | Modes |
| B. | Measurement |
| C. | Manufacture |
| D. | Material |
| Answer» B. Measurement | |
| 1829. |
“The data collected in measure step may have a reference from the historical records.” Which of these options is correct bearing the above statement in mind? |
| A. | Data from the historical records is satisfactory |
| B. | Data from the historical records may not always be satisfactory |
| C. | Data must always be collected only from historical records |
| D. | Historical records are most reliable for data collection |
| Answer» C. Data must always be collected only from historical records | |
| 1830. |
Which of these is not necessary in a tollgate report after measure step of DMAIC? |
| A. | A list of identified KPIV’s and KPOV’s |
| B. | Measurement system capability |
| C. | SIPOC diagram |
| D. | Assumptions made during the data collection |
| Answer» D. Assumptions made during the data collection | |
| 1831. |
KPIV’s and KPOV’s are measured in _______ |
| A. | Define step |
| B. | Measure step |
| C. | In both Define and Measure step |
| D. | Improve step |
| Answer» D. Improve step | |
| 1832. |
Input is defined as _____ |
| A. | Material provided to a process |
| B. | Changes made to controllable variables |
| C. | Development of in the process |
| D. | Desired product specification |
| Answer» B. Changes made to controllable variables | |
| 1833. |
The shortest repeat-distance is aligned parallel to the direction of diffusion (fiber texture). This statement is known as____ |
| A. | Perkin rule |
| B. | Thumb rule |
| C. | Henrys rule |
| D. | Marks direction principle |
| E. | . This statement is known as____a) Perkin ruleb) Thumb rulec) Henrys ruled) Marks direction principle |
| Answer» C. Henrys rule | |
| 1834. |
If a single crystalline layer of γ is growing between single crystalline substrate α and β, one might expect a completely_____ |
| A. | Straight α/γ and γ/β interfaces |
| B. | Curved α/γ and γ/β interfaces |
| C. | Straight γ/α and γ/β interfaces |
| D. | Curved γ/α and γ/β interfaces |
| Answer» B. Curved α/γ and γ/β interfaces | |
| 1835. |
The direction of the longest crystallographic axis is invariably oriented __________ |
| A. | Parallel to diffusion direction |
| B. | Perpendicular to interface |
| C. | Perpendicular to diffusion direction |
| D. | Cannot be predicted |
| Answer» D. Cannot be predicted | |
| 1836. |
Accurate microbe analysis near the interfaces are very difficult if the fluorescent effect affects the concentration measurements at distance as large as 40*10-6m from the interface. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1837. |
The flux of atoms to the interface balance the________ |
| A. | Rate of accumulation due to the boundary migration |
| B. | Mass of the system |
| C. | Volume of the system |
| D. | Stability of the grain boundary |
| Answer» B. Mass of the system | |
| 1838. |
Under some circumstances the interface migration is said to be interface controlled. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1839. |
Which among the following can give an extra information on layer growth mechanism and concentration limit of various phases? |
| A. | Edges and free surface of diffusion couple |
| B. | Positions of dislocation |
| C. | Composition ratio |
| D. | Shape of the interface |
| Answer» B. Positions of dislocation | |
| 1840. |
If the diffusion couple technique is not used in a proper way which of the following error is most likely to occur? |
| A. | The necessity to use the decremented couples |
| B. | Small roles played by impurities |
| C. | Steep concentration gradient may occur in the growing phases |
| D. | No errors are likely to occur |
| Answer» D. No errors are likely to occur | |
| 1841. |
Non equilibrium diffusion couples, a situation often encountered at ________ |
| A. | High temperature |
| B. | Low temperature |
| C. | When nucleation is perfect |
| D. | Annealing time is too long |
| Answer» D. Annealing time is too long | |
| 1842. |
Which of the following is an example of Diffusion in multi-phase binary system? |
| A. | Alcohol in water |
| B. | Aldehyde in water |
| C. | Ketone in water |
| D. | Galvanized iron and hot-dipped tin plate |
| Answer» E. | |
| 1843. |
What is the magnitude of the resultant vector’s unit vector? (Resultant vector of the two vectors shown in the figure below) |
| A. | 1N |
| B. | 225N |
| C. | 110N |
| D. | 55NView Answer |
| Answer» B. 225N | |
| 1844. |
What is the dot product of the components of the force vector shown in the figure, i.e. the dot product of the z-axis component and the y-axis component of the force? |
| A. | 0 |
| B. | 200cos60° |
| C. | 200sin45° |
| D. | 200cos30°View Answer |
| Answer» B. 200cos60° | |
| 1845. |
What is the angle made by the vector shown in the figure, with the z-axis? |
| A. | 45° |
| B. | 60° |
| C. | 30° |
| D. | 90° |
| Answer» D. 90° | |
| 1846. |
What is the mixed triple product of three vectors? |
| A. | S.(PxQ) |
| B. | Sx(PxQ) |
| C. | S.(P.Q) |
| D. | Sx(P.Q) |
| Answer» B. Sx(PxQ) | |
| 1847. |
What is Varigon’s Theorem? (M = Moment, F= Force vector, R= Radius vector) |
| A. | M = R x F (F = F1 + F2 + F3 + … vectorially adding all the forces) |
| B. | |A||B|sinØ |
| C. | AxB)xS ≠ Px(QxS) |
| D. | Px(Q+S) = (PxQ) + (PxS) |
| Answer» B. |A||B|sinØ | |
| 1848. |
The tendency of a force to rotate the body is called the moment of the force. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1849. |
What is the dot product of two vectors which are having a magnitude equal to unity and are making an angle of 45°? |
| A. | 0.707 |
| B. | -0.707 |
| C. | 1.414 |
| D. | -1.414 |
| Answer» B. -0.707 | |
| 1850. |
Straight edge is generally used in which gauge for testing taper? |
| A. | Plain plug gauge |
| B. | Plain ring gauge |
| C. | Tanged plug gauge |
| D. | Tanged ring gauge |
| Answer» C. Tanged plug gauge | |