Q. One kilogram of air is compressed at constant temperature of 150 ˚C until its volume is halved. Considering gas constant R = 0.287 kJ/kg-K for air, magnitude of heat rejected (in kJ) in the compression process is Ans: 84 – 84.3 Sol: First Law of Thermodynamics: δQ = dU + δW For Isothermal process dU […]
Q. A heat pump is to supply heat at the rate of 10 kW to a building to be maintained at 22 ˚C. The outside temperature is 2 ˚C. The minimum power (in kW) required to run the heat pump is (round off to 2 decimal places) Ans: 0.67 – 0.69 Sol:
With reference to factors affecting the rate of photosynthesis, which of the following state- ments is not correct? Option 1 : Increasing atmospheric CO2 concentration up to 0.05 per cent can enhance CO2 fixation rate.Option 2 : C3 plants respond to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum.Option 3
Plants which produce characteristic pneumatophores and show vivipary belong to Option 1 : MesophytesOption 2 : PsammophytesOption 3 : HalophytesOption 4 : Hydrophytes
Plants which produce characteristic pneumatophores and show vivipary belong to Read More »
A disease caused by an autosomal primary non-disjunction is Option 1 : Klinefelter’s syndromeOption 2 : Down’s syndromeOption 3 : Turner’s syndromeOption 4 : Sickle cell Anaemia
A disease caused by an autosomal primary non-disjunction is Read More »
A gene whose expression helps to identify transformed cell is known as Option 1 : VectorOption 2 : PlasmidOption 3 : Selectable markerOption 4 : Structural gene
A gene whose expression helps to identify transformed cell is known as Read More »
Which of the following statements is correct, with reference to enzymes? Option 1 : Apoenzyme = Holoenzyme + CoenzymeOption 2 : Coenzyme = Apoenzyme + HoloenzymeOption 3 : Holoenzyme = Apoenzyme + CoenzymeOption 4 : Holoenzyme = Apoenzyme + Co-factor
Which of the following statements is correct, with reference to enzymes? Read More »
Current Affairs is the most important area in all competitive exams. But the difficulty level is very high. That’s why; many aspirants get confused, how to select Current Affairs for Preparation of Competitive Examination? In this Post, Daily Current Affairs 7 September 2023, we have tried to cover each and every point and also included all important facts from
7 September 2023 Current Affairs – The Day’s Top News | GKSERIES Read More »
Q. A metallic rod of diameter d0 is subjected to the tensile test. The engineering stress and the true stress at fracture are 800 MPa and 900 MPa, respectively. The ratio of the rod diameter at fracture d f to the initial diameter d0 is (round off to 2 decimal places) Ans: 0.93 – 0.95
A metallic rod of diameter d0 is subjected to the tensile test Read More »
REL chart is used in (A) Quality management (B) Inventory management (C) Facility management (D) Human resource management Ans: Facility management
