Nitrogenous
Phosphatic
Complex
Mixed
✅ The correct answer is option D.
Engineering
Boost your preparation with the latest Engineering MCQs with answers and explanations. Our collection covers civil engineering, electrical engineering, mechanical engineering, electronics, software engineering, and other core subjects. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, PEC exams, university entry tests, and job interviews. Practice online with updated Engineering MCQs to strengthen concepts, improve technical knowledge, and perform better in exams and recruitment tests.
3692. Maximum nitrogen percentage is in
Ammonium sulphate
Calcium ammonium nitrate
Urea
Liquid ammonia
✅ The correct answer is option D.
3693. During conversion of ammonium carbamate into urea, presence of large excess of water
Increases the yield of urea
Adversely affects the yield of urea
Reduces the evaporator load by diluting the urea solution
Does not affect the yield of urea
✅ The correct answer is option B.
3694. Phosphorus vapour comprises of
P
P₂
P₃
P₄
✅ The correct answer is option D.
3695. In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process
Uses lower grade phosphate rock
Requires lower capital investment in the plant
Produces lower purity acid
Is very costly
✅ The correct answer is option C.
3696. Potassic fertilisers do not promote the development of
Stems & leaves during early stage of plant growth
Starches of potatoes & grains
Sugar of fruits & vegetables
Fibrous materials of plants
✅ The correct answer is option A.
3697. Catalyst used in ammonia synthesis uses __________ as a promoter.
Pt
K₂O
Al2O₃
Ni
✅ The correct answer is option B.
3698. Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha?
1.5:1
3.5:1
10:01
15:01
✅ The correct answer is option B.
3699. Low grade phosphate rock can be used in electrical furnace, because
Of the better CaO/SiO₂ balance for slag formation
CaO content is less
It is cheap
It produces low cost product
✅ The correct answer is option A.
3700. __________ is the undesirable by-product produced in the manufacture of urea.
Ammonium carbonate
Biuret
Carbon dioxide
Ammonium carbamate
✅ The correct answer is option B.