1 Answer

Answer :

The coasting retardation is around 0.16 km phps.

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Last Answer : In case of main-line service free running and coasting periods are generally long.

Last Answer : The braking retardation is usually in the range 10 to 15 km phps.

Last Answer : Free running and coasting periods are generally long in case of Main-line service.

Last Answer : The overall efficiency of steam locomotive is around 5 to 10 percent.

Description : A train travels between two stations 15 km apart in 18 minutes. If the train accelerates for a part of journey uniformly followed by uniform retardation, the maximum speed attained by the train during the journey will by a.125 km/hr b.107 dynes c.80 km/hr d.100 km/hr e.60 km/hr

Last Answer : d. 100 km/hr

Description : Stunned growth of child during pregnancy mental retardation, low intelligence quiotient is due to

Last Answer : Stunned growth of child during pregnancy mental retardation, low intelligence quiotient is due to

Description : A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient, and abnormal skin. This is the resul

Last Answer : A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence ... distalis D. Deficiency of idodine in diet.

Description : Inborn errors of urea cycle can cause all the following except (A) Vomiting (B) Ataxia (C) Renal failure (D) Mental retardation

Last Answer : Answer : D

Description : Inherited deficiency of purine nucleoside phosphorylase causes (A) Dwarfism (B) Mental retardation (C) Immunodeficiency (D) Gout

Last Answer : Answer : C

Description : Inherited deficiency of adenosine deaminase causes (A) Hyperuricaemia and gout (B) Mental retardation (C) Immunodeficiency (D) Dwarfism

Last Answer : Answer : C

Description : All of the following occur in orotic aciduria except (A) Increased synthesis of pyrimidine nucleotides (B) Increased excretion of orotic acid in urine (C) Decreased synthesis of cytidine triphosphate (D) Retardation of growth

Last Answer : Answer : A

Description : Mental retardation can occur in (A) Cretinism (B) Juvenile myxoedema (C) Myxoedema (D) Juvenile thyrotoxicosis

Last Answer : Answer : A

Description : An important finding in Hyperammonemia type II is (A) Increased serum gluatmine level (B) Enlarged liver (C) Mental retardation (D) Increased carbamoyl phosphate synthetase level

Last Answer : Answer : C

Description : Mental retardation occurs in (A) Tay-Sachs disease (B) Gaucher’s disease (C) Niemann-Pick disease (D) All of these

Last Answer : Answer : D

Description : All of the following statements about generalized gangliosidosis are true except (A) It results from deficiency of GM1-βGangliosidase (B) Breakdown of GM1 ganglioside is impaired (C) GM2 ganglioside accumulates in liver and elsewhere (D) It leads to mental retardation

Last Answer : Answer : C

Description : An important finding of Fabry’s disease is (A) Skin rash (B) Exophthalmos (C) Hemolytic anemia (D) Mental retardation

Last Answer : Answer : A

Description : All the following are true about phenylketonuria except (A) Deficiency of phenylalanine hydroxylase (B) Mental retardation (C) Increased urinary excretion of p-hydroxyphenyl pyruvic acid (D) Decrease serotonin formation

Last Answer : Answer : C

Description : Clinical symptom in urea cycle disorder is (A) Mental retardation (B) Drowsiness (C) Diarrhoea (D) Oedema

Last Answer : Answer : A

Description : Marasmus differs from Kwashiorkor in the which of these following respect (A) Mental retardation occurs in kwashiorkor but not in marasmus (B) Growth is retarded in kwashiorkor but not in marasmus ... in marasmus but not kwashiorkor (D) Subcutaneous fat disappears in marasmus but not in kwashiorkor

Last Answer : Answer : D

Description : Clinical features of Kwashiorkor include all of the following except (A) Mental retardation (B) Muscle wasting (C) Oedema (D) Anaemia

Last Answer : Answer : A

Description : All the following statements about albinism are correct except (A) Tyrosine hydroxylase (tyrosinase) is absent or deficient in melanocytes (B) Skin is hypopigmented (C) It results in mental retardation (D) Eyes are hypopigmented

Last Answer : Answer : C

Description : Congenital galactosaemia can lead to (A) Mental retardation (B) Premature cataract (C) Death (D) All of the above

Last Answer : D

Description : Which of the following suggests a diagnosis of Hurler's Syndrome rather than Hunter's Syndrome? 1) X-linked inheritance 2) Mental retardation 3) Skeletal abnormalities 4) Cloudy cornea 5) Cardiomyopathy

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Description : Which of the following is a recognised feature of abetalipoproteinaemia? 1) a high serum cholesterol 2) palmar xanthomas 3) advanced atherosclerotic vascular disease 4) abnormal red blood cell morphology 5) severe mental retardation

Last Answer : Answers-4 Acanthocytes are seen in abetalipoproteinaemia. Retinitis pigmentosa is seen in abetalipoproteinaemia. Mental retardation is not present but motor abnormalities and neurodegenerative are seen.

Description : In which of the following is mental retardation an expected finding? 1) Alkaptonuria 2) Cystinuria 3) Glycogen storage disease 4) Lactose intolerance 5) Maple syrup urine disease

Last Answer : Answers-5 MENTAL RETARDATION. Fragile X syndrome-commonest male cause. Hypoxia at birth, intaventricular haemorrhage, rhesus disease, Congenital infections - toxoplasmosis, CMV, rubella ... with diet. -homocystinuria, phenylketonuria -maple syrup urine disease, tryptophanuria -galactosaemia

Description : A ball moving with uniform velocity comes to rest in a distance of 72 m in 6 s. Its initial velocity and retardation are (a) 12 m/s and 2 m/s2 (b) 12 m/s and 4 m/s2 (c) 24 m/s and 8 m/s2 (d) 24 m/s and 4 m/s2

Last Answer : Ans:(d)

Description : Mental retardation in man, associated with sex chromosomal abnormality is usually due to (a) moderate increase in Y complement (b) large increase in Y complement (c) reduction in X complement (d) increase in X complement.

Last Answer : (d) increase in X complement.

Description : A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of (a) cancer of the thyroid gland (b) oversecretion of pars distalis (c) deficiency of iodine in diet (d) low secretion of growth hormone

Last Answer : (c) deficiency of iodine in diet

Description : Strikes includes a) Mass abstention from work without permission b) Refusal to work overtime where such overtime work is necessary in the public interest c) Resort to practices or conduct which is likely to result in ... . What are called go-slow, sit- down, pen-down, stay-in etc d) All the above

Last Answer : d) All the above

Description : Carbon monoxide is a pollutant, which causes (A) Respiratory disease (e.g. asthma) (B) Asphyxiation (suffocation) leading to death (C) Retardation in crop growth (D) Damage to building materials like marble

Last Answer : (B) Asphyxiation (suffocation) leading to death

Description : The maximum comfortable retardation applied to moving vehicles, is (A) 3.42 m/sec2 (B) 4.42 m/sec2 (C) 5.56 m/sec2 (D) 7.80 m/sec2

Last Answer : Answer: Option A

Description : Ethambutol is not used in children below 6 years of age because: A. Young children are intolerant to ethambutol B. Ethambutol causes growth retardation in young children C. It is ... induced visual impairment in young children D. In young children visual toxicity of ethambutol is irreversible

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Description : Explain the effect of spark advance and retardation on knocking.

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Description : In practice at the secondary level, the most common provision for individual-differences is Options: A) Ability -grouping B) Acceleration and retardation C) Different curricula D) Different expectations from students

Last Answer : D) Different expectations from students 

Last Answer : The purpose of retardation test on D.C. shunt machines is to find out stray losses.

Description :  lumen / watt is the unit of: A) light flux B) luminous intensity C) brightness D) luminous efficiency

Last Answer : luminous efficiency

Description :  Which braking system on the locomotives is the costliest among the following? A) Vacuum braking on diesel locomotives B) Vacuum braking on steam locomotives C) Regenerative braking on electric locomotives D) All braking systems are equally costly

Last Answer : Which braking system on the locomotives is the costliest among the following? A) Vacuum braking on diesel locomotives B) Vacuum braking on steam locomotives C) Regenerative braking on electric locomotives D) All braking systems are equally costly

Description : In practice generative breaking is used when (a) quick motor reversal is desired. (b) load has overhauling characteristic (c) controlling elevators, rolling mills etc. (d) none of these 

Last Answer : Controlling elevator , rolling mill because to stop motor some backward force required

Description : Power-factor of industrial arc and induction furnace is:

Last Answer : Power-factor of industrial arc and induction furnace is: very low lagging

Description : For induction heating, which of the following is abnormally high?  A)Voltage B) Current C) Frequency D) Phase angle

Last Answer : For induction heating, which of the following is abnormally high?  A)Voltage B) Current C) Frequency D) Phase angle

Description : Electric welding equipment works best at  A) Low voltage and low current B) Low Voltage and high current C) High voltage and low current D) High voltage and high current

Last Answer : Electric welding equipment works best at Low Voltage and high current 

Description : Dielectric heating is used for heating  A) Wood B)Aluminium C) Magnetic steel D) Copper

Last Answer : Dielectric heating is used for heating Wood 

Description : Tractive effort acts  A) At 90° with respect to the rails measured in counter clockwise direction B) At 270° with respect to the rails measured in counter clockwise direction C) Tangential to the driving wheel D) For overcoming the effect of gravity only when a train is being hauled

Last Answer : Tractive effort acts Tangential to the driving wheel

Description : The commonly used gases in tungsten arc welding are 1.Hydrogen and oxygen 2.Hydrogen and organ 3.Hydrogen and helium 4.Helium and argon

Last Answer : The commonly used gases in tungsten arc welding are Helium and argon

Description : Water break test is used to

Last Answer : Water break test is used to Verify Cleanliness of surfaces

Description : In an electroplating solution anions are

Last Answer : In an electroplating solution anions are Negatively charged

Description : Gray iron is usually welded by   (a) Gas welding (b) TIG welding (c) MIG welding (d) Arc welding 

Last Answer : Gray iron is usually welded by Gas welding

Description : In an electric press, mica is used   (a) As an insulator (b) As a device for power factor improvement (c) For dielectric heating (d) For induction heating 

Last Answer : In an electric press, mica is used As an insulator

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Last Answer : Lower frequencies

Description : Change in the frequency of supply does not affect the   (a) Dielectric heating (b) Electrical resistance heating (c) Induction heating (d) Microwave heating 

Last Answer : Change in the frequency of supply does not affect the Electrical resistance heating