Preguntas CDL de Vehículos Cisterna (N) gratis

Preguntas de ejemplo de este examen

1. A Class A or B driver needs the tank endorsement to haul a liquid in a tank attached to the vehicle when each tank holds more than ___ gallons and the total is 1,000 gallons or more.Un conductor Clase A o B necesita el endoso de tanque para llevar un líquido en un tanque sujeto al vehículo cuando cada tanque tiene más de ___ galones y el total es de 1,000 galones o más.
   1. 100
   2. 119
   3. 500
   4. 1,000
   Ver respuesta

   119

   The rule is more than 119 gallons per tank and an aggregate of 1,000 gallons or more.

   La regla es más de 119 galones por tanque y un total de 1,000 galones o más.

2. When does a Class C vehicle need a tank endorsement?¿Cuándo necesita un vehículo Clase C el endoso de tanque?
   1. Whenever it carries any liquid
   2. Never; tank endorsements are only for Class A
   3. Only when it tows a trailer
   4. When it hauls hazardous materials in liquid or gas form in tanks of the regulated size
   Ver respuesta

   When it hauls hazardous materials in liquid or gas form in tanks of the regulated size

   For Class C, the tank endorsement is needed when hazardous liquids or gases are carried in tanks of the listed capacities.

   En Clase C, el endoso se exige cuando lleva líquidos o gases peligrosos en tanques de esas capacidades.

3. Because tank vehicles come in many types, where should you learn how to inspect your particular tank?Como hay muchos tipos de vehículos tanque, ¿dónde debe aprender a inspeccionar su tanque en particular?
   1. From another driver's truck
   2. In the vehicle's operator's manual
   3. On the placard
   4. From the bill of lading
   Ver respuesta

   In the vehicle's operator's manual

   Check the operator's manual to know how to inspect your own tank vehicle.

   Revise el manual del operador para saber inspeccionar su propio tanque.

4. Where should you look most closely for leaks on pipes, connections and hoses?¿Dónde debe buscar con más cuidado fugas en tuberías, conexiones y mangueras?
   1. At the middle of each hose
   2. On the cab roof
   3. Around the joints
   4. Under the fuel tank cap
   Ver respuesta

   Around the joints

   Look for leaks on pipes, hoses and fittings; joints are the most common spot.

   Revise tuberías, conexiones y mangueras, sobre todo en las uniones.

5. What should you check about the vents on a tank?¿Qué debe revisar en los respiraderos (vents) del tanque?
   1. That they are taped shut
   2. That they are removed for the trip
   3. That they face forward
   4. That they are clear so they work correctly
   Ver respuesta

   That they are clear so they work correctly

   Keep vents clear so they work correctly.

   Mantenga los respiraderos despejados para que funcionen.

6. Which item is on the list of special purpose equipment to check on a tank vehicle?¿Qué elemento está en la lista de equipo especial que revisar en un tanque?
   1. Emergency shut-off system
   2. Air conditioner
   3. Spare headlight bulbs
   4. Load locks
   Ver respuesta

   Emergency shut-off system

   Emergency shut-off systems are on the special equipment list, with vapor recovery kits, grounding/bonding cables and built-in extinguishers.

   El sistema de cierre de emergencia está en la lista, con kits de vapores, cables de tierra/unión y extintores integrados.

7. Vapor recovery kits on a tanker should be:Los kits de recuperación de vapores de un tanque deben:
   1. Removed before loading
   2. Used only in winter
   3. Kept in the cab sleeper
   4. Checked to be sure they work
   Ver respuesta

   Checked to be sure they work

   If your vehicle has vapor recovery kits, make sure they work.

   Si el vehículo tiene kits de recuperación de vapores, asegúrese de que funcionen.

8. How should a tanker take highway curves and on-ramp or off-ramp curves?¿Cómo debe tomar un tanque las curvas de carretera y de rampas?
   1. Well below the posted speed
   2. At exactly the posted speed
   3. Slightly above the posted speed
   4. At the highway speed limit
   Ver respuesta

   Well below the posted speed

   Tests show tankers can roll over at posted curve speeds, so go well below them.

   Las pruebas muestran que los tanques pueden volcarse a la velocidad indicada; vaya muy por debajo.

9. When the wave of liquid hits the end of the tank after you stop, it tends to:Cuando la ola de líquido golpea el extremo del tanque después de detenerse, tiende a:
   1. Shove the truck the same way the wave is going
   2. Pull the truck backward only
   3. Lift the front wheels off the road
   4. Have no effect on a stopped truck
   Ver respuesta

   Shove the truck the same way the wave is going

   The wave pushes the truck the way the wave is moving; on ice it can shove a stopped truck into an intersection.

   La ola empuja el camión en su dirección; en hielo puede empujarlo hasta una intersección.

10. How are bulkheads different from baffles?¿En qué se diferencian las mamparas de los deflectores?
    1. Bulkheads have holes; baffles are solid
    2. They are the same thing
    3. Bulkheads are solid walls that divide a tank into smaller tanks; baffles have holes that let liquid through
    4. Bulkheads are only used in food tanks
    Ver respuesta

    Bulkheads are solid walls that divide a tank into smaller tanks; baffles have holes that let liquid through

    Bulkheads divide a tank into separate compartments; baffles are bulkheads with holes that slow surge.

    Las mamparas dividen en compartimentos; los deflectores son mamparas con agujeros que frenan el oleaje.

11. Why do food tanks usually have no baffles?¿Por qué los tanques de alimentos normalmente no tienen deflectores?
    1. Baffles are too heavy
    2. Sanitation rules forbid them because they make the tank hard to clean
    3. Food does not surge
    4. Baffles cost too much
    Ver respuesta

    Sanitation rules forbid them because they make the tank hard to clean

    Sanitation regulations forbid baffles because the inside of the tank would be hard to clean.

    Las normas sanitarias prohíben los deflectores porque dificultan limpiar el interior.

12. What is outage?¿Qué es el outage?
    1. The time a tank is out of service
    2. A leak at the outlet valve
    3. Room left in a tank for the liquid to expand
    4. The weight of an empty tank
    Ver respuesta

    Room left in a tank for the liquid to expand

    Outage is the space left so liquid can expand as it warms. Never load a cargo tank totally full.

    El outage es el espacio que se deja para que el líquido se expanda al calentarse.

13. Which is NOT one of the three things that decide how much liquid to load into a tank?¿Cuál NO es una de las tres cosas que deciden cuánto líquido cargar en un tanque?
    1. How much the liquid will expand in transit
    2. The weight of the liquid
    3. Legal weight limits
    4. The color of the liquid
    Ver respuesta

    The color of the liquid

    The amount depends on expansion, the liquid's weight and legal weight limits.

    La cantidad depende de la expansión, el peso del líquido y los límites legales.

14. To help control surge when coming to a stop, you should:Para ayudar a controlar el oleaje al detenerse, debe:
    1. Keep steady pressure on the brakes and not release too soon
    2. Pump the brakes quickly
    3. Release the brakes just before the truck stops
    4. Shift to neutral and coast
    Ver respuesta

    Keep steady pressure on the brakes and not release too soon

    Keep steady brake pressure and do not release too soon when stopping.

    Mantenga presión constante y no suelte el freno demasiado pronto.

15. What may happen if you steer quickly while braking in a tank vehicle?¿Qué puede pasar si gira rápido mientras frena con un vehículo tanque?
    1. The tank will empty
    2. The brakes will fade instantly
    3. The vehicle may roll over
    4. Nothing, if the tank is baffled
    Ver respuesta

    The vehicle may roll over

    Quick steering while braking can cause a tanker to roll over.

    Girar rápido mientras frena puede volcar el tanque.